{"title":"Complete Catalog","description":"\u003ch2\u003eComplete Gaolijie Industrial Duct Cleaning Equipment Catalog\u003c\/h2\u003e\u003cp\u003eBrowse our full range of \u003cstrong\u003eB2B industrial duct cleaning equipment\u003c\/strong\u003e for commercial kitchens, HVAC systems, and industrial ventilation. Every Gaolijie machine is \u003cstrong\u003efactory-direct with global shipping, 1-year warranty, and lifetime technical support\u003c\/strong\u003e. Our product line includes: \u003cstrong\u003educt cleaning robots, high-pressure sprayers, hot water washers, automatic coil cleaners, and HEPA dust collectors\u003c\/strong\u003e. Serving duct cleaning contractors, HVAC maintenance companies, facility management providers, and industrial service businesses in 40+ countries.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a personalized equipment recommendation\u003c\/a\u003e from our engineering team — quotes within 24 hours.\u003c\/p\u003e","products":[{"product_id":"cr360-oil-fume-duct-cleaning-robot","title":"CR360 Oil Fume Duct Cleaning Robot","description":"\u003ch2\u003eCR360 Oil Fume Duct Cleaning Robot — Professional Kitchen Exhaust \u0026amp; Grease Duct Cleaning System\u003c\/h2\u003e\n\n\u003cp\u003eThe Gaolijie CR360 is a professional-grade remote-controlled robot designed specifically for commercial kitchen exhaust duct cleaning. It handles grease-laden ducts in restaurants, hotel kitchens, mall food courts, and institutional cafeterias. NFPA 96 compliant documentation included.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Spray System:\u003c\/strong\u003e High-pressure rotating spray heads deliver 360-degree coverage — ensuring no grease remains on any duct surface. Coverage matters more than PSI alone for fire prevention compliance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual HD Cameras:\u003c\/strong\u003e Front and rear cameras provide complete visibility during cleaning. Record before\/after footage for NFPA 96 compliance documentation that satisfies fire marshals and insurance inspectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-Meter Control Range:\u003c\/strong\u003e Reach roof exhaust fans from ground-floor access points in multi-story restaurant exhaust systems — no need to relocate the control station\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Duct Ready:\u003c\/strong\u003e Rated for ambient temperatures up to 60°C (140°F). Begin cleaning sooner after kitchen shutdown, maximizing your overnight work window\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTracked Crawler with Magnetic Option:\u003c\/strong\u003e Standard tracked drive for horizontal runs and transitions. Optional magnetic track upgrade for vertical risers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200-800mm Duct Range:\u003c\/strong\u003e Handles the full range of commercial kitchen exhaust ducts from small restaurant hoods to large institutional systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Sealing:\u003c\/strong\u003e Industrial-grade sealed against water and grease ingress for reliable operation in wet cleaning environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"tech-specs\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eCR360\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuct Diameter Range\u003c\/td\u003e\n\u003ctd\u003e200-800mm (8-31 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Working Distance\u003c\/td\u003e\n\u003ctd\u003e30 meters from access point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray System\u003c\/td\u003e\n\u003ctd\u003eRotating high-pressure spray heads, 360-degree coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera System\u003c\/td\u003e\n\u003ctd\u003eDual HD (front + rear) with recording\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 60°C (140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Compatibility\u003c\/td\u003e\n\u003ctd\u003eHot water compatible — pairs with D7-5 hot water pressure washer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMobility\u003c\/td\u003e\n\u003ctd\u003eTracked crawler, magnetic track option for vertical risers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd\u003eIndustrial-grade sealed against water and grease\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eDedicated remote control with LCD display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eConfigurable: 110V\/60Hz or 220V\/50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNFPA 96 Documentation\u003c\/td\u003e\n\u003ctd\u003eBefore\/after cleaning report templates included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNFPA 96 Compliance\u003c\/h3\u003e\n\u003cp\u003eNFPA 96 requires commercial kitchens to maintain documented cleaning schedules for exhaust systems. The CR360 system includes before\/after photo templates and cleaning report formats that satisfy fire marshal inspections and insurance documentation requirements. \u003ca href=\"\/blogs\/news\/nfpa-96-kitchen-exhaust-cleaning-frequency-guide-2026\"\u003eRead our complete NFPA 96 compliance guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWho Should Use the CR360?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKitchen exhaust cleaning contractors\u003c\/strong\u003e servicing restaurants, hotels, and institutional kitchens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire protection companies\u003c\/strong\u003e adding exhaust cleaning to their service portfolio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFacility management firms\u003c\/strong\u003e with multiple food service locations requiring recurring NFPA 96 compliance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestaurant chains\u003c\/strong\u003e performing in-house exhaust maintenance across multiple locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCR360 vs. Budget Grease Duct Robots\u003c\/h3\u003e\n\u003cp\u003eEntry-level kitchen exhaust robots (under $4,000) offer basic spray cleaning but lack the documentation features, temperature tolerance, and 30m working range that professional kitchen exhaust contractors depend on. The CR360's compliance documentation alone saves 10+ minutes per job in manual report creation — and provides the structured documentation that fire marshals and insurers require. \u003ca href=\"\/blogs\/news\/gaolijie-cr360-vs-rjbot-g31-kitchen-exhaust-robot-comparison-2026\"\u003eRead our detailed CR360 vs G31 comparison\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What size restaurant ducts can the CR360 clean?\u003c\/strong\u003e\u003cbr\u003eA: 200-800mm diameter. This covers the exhaust ducts of most commercial kitchens from small restaurants to large hotel and institutional kitchens.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does NFPA 96 documentation work?\u003c\/strong\u003e\u003cbr\u003eA: The CR360's camera system captures before\/after video and still images with timestamp. Gaolijie provides cleaning report templates formatted for fire marshal and insurance review. You complete the report with job details and attach the photo\/video evidence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the CR360 clean vertical exhaust risers?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The optional magnetic track upgrade provides enhanced grip on vertical steel duct sections. Many contractors start with the standard tracks and add magnetic tracks if their client mix includes multi-story restaurants.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is hot water required for kitchen exhaust cleaning?\u003c\/strong\u003e\u003cbr\u003eA: Hot water significantly improves grease removal effectiveness. The CR360 is compatible with hot water pressure washers including our \u003ca href=\"\/products\/d7-5\"\u003eD7-5 hot water system\u003c\/a\u003e. Cold water can be used but requires more passes for equivalent results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should restaurant kitchen exhaust ducts be cleaned?\u003c\/strong\u003e\u003cbr\u003eA: Per NFPA 96, frequency depends on cooking volume and type. High-volume solid fuel operations may require quarterly cleaning. Standard restaurants typically require semi-annual or annual cleaning. \u003ca href=\"\/blogs\/news\/nfpa-96-kitchen-exhaust-cleaning-frequency-guide-2026\"\u003eSee our complete NFPA 96 frequency guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":51215772188976,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/20260325164636_859_1196.jpg?v=1774583772"},{"product_id":"k7s-central-air-conditioning-duct-cleaning-robot","title":"K7S AC Duct Cleaning Machine","description":"\u003ch2\u003eGaolijie K7S AC Duct Cleaning Machine\u003c\/h2\u003e\n\u003cp\u003eThe Gaolijie K7S is an all-in-one duct cleaning system for HVAC and air conditioning ductwork. It combines powered brushing, camera inspection, and vacuum collection into a single unit for use in office buildings, hotels, hospitals, and commercial facilities.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"tech-specs\"\u003e\n  \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eK7S\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDuct Diameter Range\u003c\/td\u003e\n\u003ctd\u003e200–800 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaximum Working Distance\u003c\/td\u003e\n\u003ctd\u003e30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCamera\u003c\/td\u003e\n\u003ctd\u003eHD with recording and timestamp overlay\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClimbing Angle\u003c\/td\u003e\n\u003ctd\u003e30–35°\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCleaning Speed\u003c\/td\u003e\n\u003ctd\u003e4–6 m\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDrive System\u003c\/td\u003e\n\u003ctd\u003eTracked crawler, aluminum alloy frame\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eDedicated control box with LCD display\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eConfigurable: 110V\/60Hz or 220V\/50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eVacuum Integration\u003c\/td\u003e\n\u003ctd\u003ePairs with K8 HEPA dust collector\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~85 kg (system total)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 year factory-direct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThe K7S is used for HVAC duct cleaning in commercial buildings — office towers, retail centers, hotels, and healthcare facilities. It is designed to handle the dust and particulate buildup common in air conditioning and ventilation ductwork, where dry particulate removal is the primary requirement.\u003c\/p\u003e\n\n\u003cp\u003eContact our engineering team for the complete datasheet, application-specific recommendations, and a factory-direct quotation.\u003c\/p\u003e","brand":"GAOLIJIE","offers":[{"title":"Default Title","offer_id":51215783985456,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/20260323093756_634_1196.jpg?v=1774365501"},{"product_id":"e200-industrial-duct-cleaning-robot","title":"E200 Duct Cleaning Robot","description":"\u003ch2\u003eGaolijie E200 Duct Cleaning Robot\u003c\/h2\u003e\n\u003cp\u003eThe Gaolijie E200 is a duct cleaning robot for large-diameter commercial and industrial ductwork. It is designed for main trunk lines and large air handling systems with duct diameters up to 1,500 mm.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"tech-specs\"\u003e\n  \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eE200\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDuct Diameter Range\u003c\/td\u003e\n\u003ctd\u003e400–1,500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaximum Working Distance\u003c\/td\u003e\n\u003ctd\u003e50 m (extendable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCamera System\u003c\/td\u003e\n\u003ctd\u003eMulti-camera with front, rear, and overhead views\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDrive System\u003c\/td\u003e\n\u003ctd\u003eTracked crawler, reinforced frame\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClimbing Angle\u003c\/td\u003e\n\u003ctd\u003eUp to 35°\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eConfigurable: 110V, 220V, 380V, 480V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThe E200 is used for cleaning large-diameter ducts in commercial and industrial facilities — including main air handling ducts, process ventilation, and large HVAC trunk lines. It handles duct diameters beyond the range of standard commercial robots.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between the E200 and K7S?\u003c\/strong\u003e\u003cbr\u003eA: The K7S is designed for standard commercial ducts (200–800 mm). The E200 is a larger platform for industrial ducts up to 1,500 mm. The right choice depends on the duct sizes in your projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What power configurations are available?\u003c\/strong\u003e\u003cbr\u003eA: 110V\/60Hz (North America), 220V\/50Hz (Europe\/Middle East\/Asia), 380V\/50Hz (European industrial), 480V\/60Hz (North American industrial). Specify your requirement when ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this suitable for hazardous environments?\u003c\/strong\u003e\u003cbr\u003eA: The standard E200 is not explosion-proof rated. For classified hazardous locations, contact Gaolijie about custom configurations with appropriately rated components.\u003c\/p\u003e\n\n\u003cp\u003eContact our engineering team for the complete datasheet, application-specific recommendations, and a factory-direct quotation.\u003c\/p\u003e","brand":"Slim cleaning robot","offers":[{"title":"Default Title","offer_id":51226788921648,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/20260325112549_812_1196.jpg?v=1774599907"},{"product_id":"d2-commercial-range-hood-duct-cleaning-multifunctional-sprayer","title":"D2 Commercial Range Hood \u0026 Duct Cleaning Multifunctional Sprayer","description":"\u003ch3\u003e🧰 Gaolijie D2 Multifunctional Sprayer: Your Ultimate Commercial Cleaning Solution\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe Gaolijie D2 is a professional-grade, portable multifunctional sprayer designed specifically for commercial kitchen range hood, duct, and HVAC system cleaning. Engineered with a dual-pump system, this powerful unit delivers consistent high-pressure performance, making it the ideal tool for professional cleaning service providers, facility maintenance teams, and commercial kitchen operators.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e✨ Key Features\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Pump System\u003c\/strong\u003e: One machine equals two, delivering powerful, stable output for continuous heavy-duty cleaning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiling Chemical Compatibility\u003c\/strong\u003e: Designed for use with high-temperature, strong alkaline cleaning agents to dissolve stubborn grease and grime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24\/7 Continuous Operation\u003c\/strong\u003e: Built for all-day commercial use with reliable performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120°C Overheat Protection\u003c\/strong\u003e: Built-in safety mechanism to prevent overheating and ensure long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Durable\u003c\/strong\u003e: Compact, rugged design housed in a heavy-duty protective case for easy transport to job sites\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application\u003c\/strong\u003e: Perfect for commercial range hood cleaning, duct cleaning, central air conditioning system maintenance, and more\u003cbr\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 40.4669%;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"width: 59.144%;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003eGaolijie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003eD2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eMachine Dimensions\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e430\u003cem\u003e350\u003c\/em\u003e187mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e8KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eSuction Head\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e0.7-1.5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eLift Head\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e10m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e220V 50HZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eWorking Current\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e0-10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eWire Cross-Section Requirement\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e0-2.5mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eOutput Pressure\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e0.8mpa-1mpa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.4669%;\"\u003eMax Continuous Working Time\u003c\/td\u003e\n\u003ctd style=\"width: 59.144%;\"\u003e2h (Dual-pump version supports 24h operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e🎯 Why Choose Gaolijie D2?\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e✅ \u003cstrong\u003eProfessional-Grade Performance\u003c\/strong\u003e: Trusted by commercial cleaning businesses worldwide for reliable, high-efficiency cleaning\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eComplete Support Package\u003c\/strong\u003e: Free professional cleaning technology training + bidding quotation materials included\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eFactory Direct Supply\u003c\/strong\u003e: 1-year warranty, direct from the manufacturer with guaranteed quality\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eTime \u0026amp; Cost Saving\u003c\/strong\u003e: High-pressure spray system cuts cleaning time and labor costs significantly\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eEasy to Operate\u003c\/strong\u003e: User-friendly control panel for simple operation by cleaning technicians\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eWhether you're running a professional cleaning service or maintaining your own commercial kitchen, the Gaolijie D2 multifunctional sprayer is your go-to solution for deep, efficient grease removal and system maintenance.\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eD2 Sprayer — Frequently Asked B2B Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat chemicals can the D2 sprayer use?\u003c\/strong\u003e The D2 is compatible with commercial-grade degreasing chemicals, alkaline cleaners, and enzymatic solutions commonly used in kitchen exhaust cleaning. Its chemical-resistant pump and seals ensure long service life even with aggressive cleaning agents.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the D2 compare to manual spray application?\u003c\/strong\u003e The D2 delivers consistent chemical coverage at controlled pressure, reducing chemical waste by 30-40% compared to manual pump sprayers. Uniform application improves dwell time effectiveness and cleaning results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the D2 be used for HVAC coil cleaning?\u003c\/strong\u003e Yes — with appropriate cleaning solutions, the D2 can apply coil cleaning chemicals. However, for dedicated coil cleaning, we recommend the K1-1 or K2 automatic coil cleaning machines for optimal results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance does the D2 require?\u003c\/strong\u003e Flush the pump system with clean water after each use to prevent chemical residue buildup. Check seals and hoses weekly. The pump is rated for 2,000+ hours of commercial use.\u003c\/p\u003e\n\n\u003ch3\u003e📚 Related Guides\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/restaurant-kitchen-exhaust-cleaning-nfpa96-fire-safety-guide-2026\"\u003eRestaurant Kitchen Exhaust Cleaning: NFPA 96 Compliance \u0026amp; Fire Prevention Guide (2026)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/commercial-kitchen-fire-prevention-complete-nfpa-96-compliance-checklist-for-exhaust-systems-2026\"\u003eCommercial Kitchen Fire Prevention: Complete NFPA 96 Compliance Checklist (2026)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/duct-cleaning-standards-worldwide-compliance-guide-2026\"\u003eDuct Cleaning Standards Worldwide Compliance Guide (2026)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gaolijie","offers":[{"title":"Default Title","offer_id":51238087819568,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/c5ff56b4949af129ee1c87e137d77bd7_158d3e25-7934-4608-a31b-3c5e7e1eec8f.jpg?v=1774954020"},{"product_id":"d7-5-hot-water-pressure-washer","title":"D7-5 Hot Water High Pressure Washer for Commercial Range Hood \u0026 Duct Cleaning","description":"\u003ch2\u003eGaolijie D7-5 Hot Water High-Pressure Washer\u003c\/h2\u003e\n\u003cp\u003eThe Gaolijie D7-5 is a diesel-heated hot water pressure washer for commercial kitchen exhaust hood and duct cleaning. It delivers hot water at high pressure to remove heavy grease deposits from range hoods, filters, and accessible duct sections.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n    \u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eBrand \/ Model\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eGaolijie \/ D7-5\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eMachine Dimensions\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e680 × 830 × 1070 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eWeight\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e103 kg\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eHeating Method\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eDiesel boiler\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eRated Pressure\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e150 bar\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eWater Flow Rate\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e9 L\/min\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eOutput Power\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e2.2 kW\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003ePower Supply\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eAC 220V \/ 50 Hz\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThe D7-5 can be used alongside duct cleaning robots during the final rinse stage — flushing loosened grease and chemical residue from commercial kitchen exhaust systems. Hot water cleaning is commonly used for heavy grease removal where cold-water cleaning is less effective.\u003c\/p\u003e\n\n\u003cp\u003eContact our engineering team for the complete datasheet, including temperature range, fuel consumption data, and application-specific recommendations.\u003c\/p\u003e","brand":"Gaolijie","offers":[{"title":"Default Title","offer_id":51238089031984,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/3eba42341d4bbff6486be09c9d075152_49a9e378-77c4-46b9-9e90-3f879df8e6f9.jpg?v=1774954364"},{"product_id":"k1-1-ac-tube-cleaning-machine","title":"K1-1 AC Tube Cleaning Machine","description":"\u003ch2\u003e🧰 Gaolijie K1-1 AC Tube Cleaning Machine: Ultimate Commercial HVAC Maintenance Tool\u003c\/h2\u003e\n\u003cp\u003eThe Gaolijie K1-1 is a professional-grade, multi-functional tube cleaner specifically designed for commercial central air conditioning condenser pipe and chiller tube cleaning. Equipped with remote control, variable speed control, and a high-torque motor, it efficiently removes stubborn scale, sludge, and debris from narrow and hard-to-reach pipelines, making it an indispensable tool for professional HVAC cleaning services and facility maintenance teams.\u003c\/p\u003e\n\n\u003ch3\u003e✨ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote Control Operation\u003c\/strong\u003e: Wireless remote control for convenient start\/stop and speed adjustment, allowing operators to work safely from a distance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStepless Variable Speed\u003c\/strong\u003e: Infinite speed adjustment (0-1400 RPM) to match different tube diameters and cleaning intensities for versatile operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Power High-Torque Motor\u003c\/strong\u003e: 300W motor with super torque delivers strong power for continuous heavy-duty pipeline descaling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Accessory Kit\u003c\/strong\u003e: Includes 7m flexible shaft, 8m water inlet pipe, and multiple brush specifications (10mm, 14mm, 18\/16mm) to fit various tube sizes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Durable Design\u003c\/strong\u003e: Compact spray-painted metal casing (300*230*165mm) with a sturdy handle, weighing only 10KG for easy transportation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffortless Cleaning\u003c\/strong\u003e: Effortlessly solves cleaning difficulties in narrow spaces, thoroughly cleaning tube walls without damaging the pipeline\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eGaolijie\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eK1-1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eMachine Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e300*230*165mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e10KG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eSpray Gun Water Pipe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e5m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eSpray Paint\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eSpeed\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e1400 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e220V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e300W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eFlexible Shaft\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e7m (R10mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eOutput Pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e10kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eFlexible Shaft Weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e4.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e🎁 What's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Gaolijie K1-1 Main Unit\u003c\/li\u003e\n  \u003cli\u003e1 x 7m Tube Cleaning Flexible Shaft (R10mm)\u003c\/li\u003e\n  \u003cli\u003e1 x 8m Water Inlet Pipe\u003c\/li\u003e\n  \u003cli\u003e1 x 20mm Brush\u003c\/li\u003e\n  \u003cli\u003e1 x 12m Brush\u003c\/li\u003e\n  \u003cli\u003e1 x 14mm Brush\u003c\/li\u003e\n  \u003cli\u003e1 x 18\/16mm Brush\u003c\/li\u003e\n  \u003cli\u003e1 x Remote Control\u003c\/li\u003e\n  \u003cli\u003e1 x User Manual \u0026amp; Technical Support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🎯 Why Choose Gaolijie K1-1?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eProfessional HVAC Grade\u003c\/strong\u003e: Designed for commercial central AC condenser and chiller tube cleaning, trusted by professionals\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eComplete Support Package\u003c\/strong\u003e: Free professional cleaning technology training + bidding quotation materials included\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFactory Direct Supply\u003c\/strong\u003e: 1-year warranty, direct from the manufacturer with guaranteed quality\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eTime \u0026amp; Labor Saving\u003c\/strong\u003e: High-efficiency tube cleaning reduces maintenance time and labor costs significantly\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eAll-in-One Solution\u003c\/strong\u003e: One machine handles multiple tube sizes and cleaning tasks for a versatile cleaning solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIdeal for commercial air conditioning maintenance companies, hotel and hospital facility management, and industrial chiller cleaning services, the Gaolijie K1-1 multi-functional tube cleaner is your reliable partner for maintaining optimal HVAC system performance and extending equipment lifespan.\u003c\/p\u003e\n\n\u003ch3\u003e📚 Related Guides\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/hvac-duct-cleaning-equipment-for-contractors-professional-b2b-buying-guide-2026\"\u003eHVAC Duct Cleaning Equipment for Contractors: Professional B2B Buying Guide 2026\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/ac-duct-cleaning-machine-buyers-guide-2026\"\u003eWhy AC Duct Cleaning Is a High-Growth Service Line\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/duct-cleaning-industry-report-2026\"\u003eDuct Cleaning Industry Report 2026: Global Market Analysis\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gaolijie","offers":[{"title":"Default Title","offer_id":51238090604848,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/b8421501ceee8ed8defa49d79fc692df.jpg?v=1774954467"},{"product_id":"k2-fan-coil-central-ac-cleaning-machine","title":"K2 Fan Coil \u0026 Central AC Cleaning Machine","description":"\u003ch2\u003e🧰 Gaolijie K2 Fan Coil \u0026amp; Central AC Cleaning Machine: Professional HVAC Deep Cleaning Solution\u003c\/h2\u003e\n\u003cp\u003eThe Gaolijie K2 is a high-performance, portable fan coil and central air conditioning cleaning machine, designed for professional HVAC maintenance. With cold\/hot water cleaning, high-temperature steam, and a non-electric spray gun, it delivers 50% chemical savings and zero-delay operation, making it the ultimate tool for commercial and residential air conditioning system deep cleaning.\u003c\/p\u003e\n\n\u003ch3\u003e✨ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e50% Chemical Savings \u0026amp; Zero Delay\u003c\/strong\u003e: Optimized cleaning system cuts chemical usage in half, with instant on-demand operation for efficient work\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-in-1 Cleaning Modes\u003c\/strong\u003e: Cold water, hot water, and 100-160℃ high-temperature steam for versatile deep cleaning of fan coils, condensers, and HVAC components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Electric Spray Gun Design\u003c\/strong\u003e: Electric-hydraulic separation for 100% safety, with anti-freeze, waterproof, and anti-electric shock protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable \u0026amp; Portable\u003c\/strong\u003e: Rugged ABS case with impact resistance, pressure resistance, and corrosion resistance, easy to transport to job sites\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Accessory Kit\u003c\/strong\u003e: Comes with 8m high-temperature water pipe, steam cold\/hot water gun, and full set of cleaning accessories\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application\u003c\/strong\u003e: Perfect for commercial buildings, hotels, hospitals, offices, and residential HVAC system maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eGaolijie\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eK2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eHeating Power\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e3600W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eWorking Power\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e≤8W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eOutput Temperature\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e25℃-85℃\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eOutput Flow\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e5L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e11KG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eMachine Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e430*50*190mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eHot Water Pipe Length\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e8M\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eInput Pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e0.3mpa-0.8mpa\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eOutput Pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e0.3mpa-0.8mpa\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eSteam Temperature\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e100℃-160℃\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eSteam Output Flow\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e160ML\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e🎁 What's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Gaolijie K2 Main Unit\u003c\/li\u003e\n  \u003cli\u003e1 x 8m High-Temperature Water Pipe\u003c\/li\u003e\n  \u003cli\u003e1 x Steam Cold\/Hot Water Spray Gun\u003c\/li\u003e\n  \u003cli\u003e1 x Full Set of Cleaning Accessories\u003c\/li\u003e\n  \u003cli\u003e1 x User Manual \u0026amp; Technical Support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🎯 Why Choose Gaolijie K2?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eProfessional HVAC Grade\u003c\/strong\u003e: Trusted by professional cleaning companies for fan coil, central AC, and condenser deep cleaning\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eComplete Support Package\u003c\/strong\u003e: Free professional cleaning technology training + bidding quotation materials included\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFactory Direct Supply\u003c\/strong\u003e: 1-year warranty, direct from the manufacturer with guaranteed quality\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCost \u0026amp; Time Saving\u003c\/strong\u003e: 50% chemical savings + high-efficiency cleaning reduces labor and material costs significantly\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eSafe \u0026amp; Reliable\u003c\/strong\u003e: Non-electric spray gun design ensures operator safety during all cleaning operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhether you're running an HVAC maintenance service, managing commercial properties, or servicing residential air conditioning systems, the Gaolijie K2 fan coil cleaning machine is your reliable partner for deep, efficient, and cost-effective HVAC system cleaning.\u003c\/p\u003e\n\n\u003ch3\u003e📚 Related Guides\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/ac-duct-cleaning-machine-buyers-guide-2026\"\u003eWhy AC Duct Cleaning Is a High-Growth Service Line\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/commercial-air-duct-cleaning-health-iaq-guide-2026\"\u003eWhat's Hiding in Your Commercial Air Ducts? The Health \u0026amp; Cost Case for HVAC Cleaning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/duct-cleaning-standards-worldwide-compliance-guide-2026\"\u003eDuct Cleaning Standards Worldwide Compliance Guide (2026)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gaolijie","offers":[{"title":"Default Title","offer_id":51238091587888,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/ScreenShot_2026-03-31_185926_391.png?v=1774954819"},{"product_id":"k5-flat-duct-cleaning-robot","title":"K5 Flat Duct Cleaning Robot","description":"\u003ch2\u003e🧰 Gaolijie K5 Flat Duct Cleaning Robot: Professional HVAC Duct Inspection \u0026amp; Cleaning Solution\u003c\/h2\u003e\n\u003cp\u003eThe Gaolijie K5 is a professional-grade, tracked flat duct cleaning robot, specifically designed for commercial central air conditioning low-profile duct cleaning and inspection. Equipped with 4K industrial camera, dual LED lighting, and a portable control console, it efficiently solves the cleaning challenges of narrow, low-height air ducts, making it an essential tool for professional HVAC cleaning service providers.\u003c\/p\u003e\n\n\u003ch3\u003e✨ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Profile Design\u003c\/strong\u003e: Compact 110mm height body, perfect for low and narrow flat ducts that are hard to reach manually\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4K Industrial HD Camera\u003c\/strong\u003e: Corrosion-resistant, wide-angle waterproof camera with real-time monitoring and long-time recording function\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual LED Lighting\u003c\/strong\u003e: 2*3W high-brightness diffused LED lights for clear visibility in dark duct environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30° Climbing \u0026amp; Off-Road Performance\u003c\/strong\u003e: Strong tracked drive for stable movement and obstacle crossing in complex ductwork\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP66 Waterproof \u0026amp; 304 Stainless Steel Body\u003c\/strong\u003e: Industrial-grade build, resistant to acid, alkali and harsh cleaning environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20m Working Range\u003c\/strong\u003e: 20m control cable for long-distance operation, covering large commercial duct systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-in-One Control Console\u003c\/strong\u003e: 10.2-inch HD LCD screen with synchronous inspection and recording system, easy to operate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eGaolijie\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eK5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Box Weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e7KG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Box Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Box Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e430*350*187mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Box Voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e24V DC Low Voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eDisplay Screen\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e10.2-inch HD LCD, Synchronous Inspection \u0026amp; Recording\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eRobot Weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e9.8KG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eRobot Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e380*210*110mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eWorking Stroke\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e20m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eTravel Speed\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e4-5m\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eRobot Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eRobot Voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Cable Length\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e20m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eLighting\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e2*3W High-Brightness Diffused LED\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eCamera\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eIndustrial 4K Color Wide-Angle Waterproof Camera\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eDrive Method\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eServo Analog Signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e🎁 What's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Gaolijie K5 Control Console\u003c\/li\u003e\n  \u003cli\u003e1 x Gaolijie K5 Flat Duct Cleaning Robot\u003c\/li\u003e\n  \u003cli\u003e1 x Flat Ball Brush\u003c\/li\u003e\n  \u003cli\u003e1 x Power Cord\u003c\/li\u003e\n  \u003cli\u003e1 x 10m Dust Suction Pipe\u003c\/li\u003e\n  \u003cli\u003e1 x 20m Control Cable\u003c\/li\u003e\n  \u003cli\u003e1 x Set of Small Tools\u003c\/li\u003e\n  \u003cli\u003e1 x Dust Suction Pipe Clamp\u003c\/li\u003e\n  \u003cli\u003e1 x User Manual \u0026amp; Technical Support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🎯 Why Choose Gaolijie K5?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eProfessional HVAC Grade\u003c\/strong\u003e: Specifically designed for commercial central AC flat duct cleaning and inspection, trusted by industry professionals\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eComplete Support Package\u003c\/strong\u003e: Free professional cleaning technology training + bidding quotation materials included\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFactory Direct Supply\u003c\/strong\u003e: 1-year warranty, direct from the manufacturer with guaranteed quality\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eTime \u0026amp; Labor Saving\u003c\/strong\u003e: Automates cleaning and inspection of hard-to-reach ducts, significantly improving work efficiency\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eVersatile Application\u003c\/strong\u003e: Ideal for commercial buildings, hotels, hospitals, offices, and industrial facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhether you're running a professional duct cleaning service or maintaining large commercial HVAC systems, the Gaolijie K5 flat duct cleaning robot is your ultimate solution for efficient, thorough, and safe air duct maintenance.\u003c\/p\u003e\u003ch3\u003eK5 Flat Duct Cleaning Robot — B2B Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat duct shapes can the K5 clean?\u003c\/strong\u003e The K5 is specifically engineered for \u003cstrong\u003erectangular and flat ductwork\u003c\/strong\u003e commonly found in commercial buildings, office ventilation systems, and industrial facilities. It handles duct widths from 300mm to 1,500mm and heights from 150mm to 600mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the K5 navigate flat ducts?\u003c\/strong\u003e The K5 uses a tracked drive system with independent left\/right motor control for precise steering in rectangular ducts. Its low-profile design (under 140mm) allows access to ducts that round robots cannot enter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes the K5 different from round duct robots?\u003c\/strong\u003e Round duct robots like the CR360 or K9 use circular brush rotation optimized for cylindrical ducts. The K5's brush system is designed for flat surfaces, providing even pressure across the full width of rectangular ductwork for consistent cleaning results. For businesses serving commercial office buildings and industrial facilities with predominantly rectangular ductwork, the K5 is the essential specialized tool.\u003c\/p\u003e\n\n\u003ch3\u003e📚 Related Guides\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/hvac-duct-cleaning-equipment-guide\"\u003eComplete Guide to HVAC Duct Cleaning: Equipment, Methods and Industry Standards\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/duct-cleaning-robot-technical-specifications-engineer-comparison-guide-2026\"\u003eDuct Cleaning Robot Technical Specifications: Engineers Comparison Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/duct-cleaning-industry-report-2026\"\u003eDuct Cleaning Industry Report 2026: Global Market Analysis\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gaolijie","offers":[{"title":"Default Title","offer_id":51238096699696,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/4fdc927e21bb98091c557caad2867d05.jpg?v=1774955284"},{"product_id":"k8-professional-duct-dust-collector","title":"K8 Professional Duct Dust Collector","description":"\u003ch2\u003eK8 Professional Duct Dust Collector — H13 HEPA Negative Air Vacuum for Commercial Duct Cleaning\u003c\/h2\u003e\n\n\u003cp\u003eThe Gaolijie K8 is a high-performance negative air machine with H13 HEPA filtration, designed as the vacuum partner for Gaolijie duct cleaning robots. It captures 99.97% of particles at 0.3 microns — the filtration standard required for healthcare, pharmaceutical, data center, and Class A office duct cleaning projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eH13 HEPA Filtration:\u003c\/strong\u003e 99.97% efficiency at 0.3 microns. Suitable for environments requiring HEPA-level filtration, including healthcare, pharmaceutical, and data center applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,000W+ Industrial Motor:\u003c\/strong\u003e Sufficient negative air pressure for ducts up to 30m from the vacuum connection point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Continuous Operation:\u003c\/strong\u003e Unlike shop vacs converted for duct cleaning, the K8 is engineered for hours of continuous negative air operation without overheating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Collection Capacity:\u003c\/strong\u003e Extended cleaning sessions without frequent emptying. Tool-free bag replacement for quick turnaround between jobs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMobile Platform:\u003c\/strong\u003e Heavy-duty casters with locking brakes. Move between access points easily on commercial job sites\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy HEPA Filtration Matters\u003c\/h3\u003e\n\u003cp\u003eStandard filtration vacuums release fine particulate back into the building air during duct cleaning. In a hospital, this is an infection control risk. In a data center, conductive dust can damage server hardware. In a pharmaceutical facility, it can contaminate product batches. H13 HEPA is not optional for these environments — it is specified in contract requirements and facility protocols.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"tech-specs\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eK8\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Power\u003c\/td\u003e\n\u003ctd\u003e2,000W+ industrial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration Standard\u003c\/td\u003e\n\u003ctd\u003eH13 HEPA (99.97% at 0.3 microns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation Mode\u003c\/td\u003e\n\u003ctd\u003eContinuous duty rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eConfigurable: 110V\/60Hz or 220V\/50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMobility\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty locking casters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible With\u003c\/td\u003e\n\u003ctd\u003eAll Gaolijie duct cleaning robots (K7S, K5, K9, E200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBag System\u003c\/td\u003e\n\u003ctd\u003eTool-free replacement, large capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need the K8 if I already have a shop vac?\u003c\/strong\u003e\u003cbr\u003eA: The K8 provides H13 HEPA filtration and is designed for extended operation during commercial duct cleaning jobs. For light residential work, a high-quality shop vac may be adequate for short runs. Contact our team for guidance on whether the K8 is a good fit for your specific applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between H13 and H14 HEPA?\u003c\/strong\u003e\u003cbr\u003eA: H13 captures 99.97% at 0.3 microns. H14 captures 99.995%. H13 is commonly specified for hospital and pharmaceutical HVAC applications. H14 is typically required for ISO 5 (Class 100) cleanrooms. The K8 uses H13 filtration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the K8 with non-Gaolijie robots?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the K8 has a standard vacuum connection that can be adapted to most duct cleaning robots. However, optimal performance is achieved when paired with Gaolijie robots, which are designed with matching airflow specifications.\u003c\/p\u003e","brand":"Gaolijie","offers":[{"title":"Default Title","offer_id":51238116983088,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/fe9fb059219ba0cc737475367c6587eb.jpg?v=1774956402"},{"product_id":"k9-high-speed-duct-cleaning-robot","title":"K9 High-Speed Duct Cleaning Robot","description":"\u003ch2\u003e🧰 Gaolijie K9 High-Speed Duct Cleaning Robot: Professional HVAC Duct Deep Cleaning Solution\u003c\/h2\u003e\n\u003cp\u003eThe Gaolijie K9 is a professional-grade, tracked high-speed duct cleaning robot, designed for commercial central air conditioning duct deep cleaning and inspection. Equipped with a 10.2-inch HD control console, dual cameras, and a powerful cleaning brush system, it delivers efficient, thorough cleaning of air ducts, making it an essential tool for professional HVAC cleaning service providers.\u003c\/p\u003e\n\n\u003ch3\u003e✨ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Cleaning Performance\u003c\/strong\u003e: Up to 350㎡\/h cleaning efficiency, far exceeding manual cleaning speed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-in-One Control Console\u003c\/strong\u003e: 10.2-inch HD LCD screen with synchronous inspection and recording system, easy to operate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Wide-Angle Cameras\u003c\/strong\u003e: Front and rear color wide-angle cameras for full-view monitoring of duct interior\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerful Brush System\u003c\/strong\u003e: Multi-angle sweeping brushes for 360° thorough cleaning of duct walls, corners and ceilings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e304 Stainless Steel Body\u003c\/strong\u003e: Industrial-grade build, durable and corrosion-resistant for long-term use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20m Working Range\u003c\/strong\u003e: 20m control cable for long-distance operation, covering large commercial duct systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVariable Speed Drive\u003c\/strong\u003e: Adjustable 4-5m\/min travel speed to adapt to different duct environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V Focused Lighting\u003c\/strong\u003e: Bright LED lighting for clear visibility in dark duct environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eGaolijie\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eK9\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Box Weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e7KG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Box Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Box Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e430*350*187mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Box Voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e220V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eDisplay Screen\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e10.2-inch HD LCD, Synchronous Inspection \u0026amp; Recording\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eRobot Weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e13KG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eRobot Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e360*260*265mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eDrive Method\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eVariable Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eTravel Speed\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e4-5m\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eRobot Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eControl Cable Length\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e20m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eLighting\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e12V Focused LED\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eCamera\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eColor Wide-Angle (Front \u0026amp; Rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eCleaning Efficiency\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e≤350㎡\/H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e🎯 Why Choose Gaolijie K9?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eProfessional HVAC Grade\u003c\/strong\u003e: Specifically designed for commercial central AC duct deep cleaning, trusted by industry professionals\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eComplete Support Package\u003c\/strong\u003e: Free professional cleaning technology training + bidding quotation materials included\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFactory Direct Supply\u003c\/strong\u003e: 1-year warranty, direct from the manufacturer with guaranteed quality\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eTime \u0026amp; Labor Saving\u003c\/strong\u003e: High-efficiency cleaning reduces labor costs and improves work efficiency by 5x+\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eVersatile Application\u003c\/strong\u003e: Ideal for commercial buildings, hotels, hospitals, offices, and industrial facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhether you're running a professional duct cleaning service or maintaining large commercial HVAC systems, the Gaolijie K9 high-speed duct cleaning robot is your ultimate solution for efficient, thorough, and safe air duct maintenance.\u003c\/p\u003e\u003ch3\u003eK9 High-Speed Duct Cleaning Robot — Production-Grade B2B Machine\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes the K9 'high-speed'?\u003c\/strong\u003e The K9 features a \u003cstrong\u003edual-brush system with higher RPM motors\u003c\/strong\u003e compared to standard models, enabling faster cleaning passes through ductwork. In head-to-head testing, the K9 completes commercial kitchen exhaust cleaning jobs approximately 30-40% faster than single-brush robots, translating to more jobs per day and higher monthly revenue for B2B cleaning contractors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the K9's maximum control range?\u003c\/strong\u003e The K9 offers \u003cstrong\u003e100-meter wireless remote control range\u003c\/strong\u003e — the longest in Gaolijie's product line. This extended range is critical for large commercial and industrial duct systems where the operator may need to position far from the robot's entry point. The wireless system uses industrial-grade frequency-hopping technology to maintain reliable control even in metal ductwork environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the K9 suitable for wet cleaning?\u003c\/strong\u003e The K9 has IP54 water resistance rating, suitable for light wet cleaning applications and damp duct environments. For heavy wet cleaning with chemical degreasing, the CR360 (IP65 rated) is recommended for commercial kitchen exhaust applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the typical B2B payback period for a K9?\u003c\/strong\u003e High-volume cleaning contractors (5-8 jobs per week) typically achieve full K9 equipment payback in \u003cstrong\u003e2-3 months\u003c\/strong\u003e based on labor savings and increased job throughput. The K9's faster cleaning speed enables approximately 1-2 additional jobs per week compared to standard models.\u003c\/p\u003e\n\n\u003ch3\u003e📚 Related Guides\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/duct-cleaning-robot-price-guide-2026\"\u003eHow Much Does a Duct Cleaning Robot Cost? Complete Factory-Direct Price Guide (2026)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/hvac-duct-cleaning-business-equipment-profit-guide-2026\"\u003eHVAC Duct Cleaning Business: Equipment, Process and Profit Guide 2026\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/duct-cleaning-industry-report-2026\"\u003eDuct Cleaning Industry Report 2026: Global Market Analysis\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gaolijie","offers":[{"title":"Default Title","offer_id":51238134022448,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2986\/5264\/files\/7e85600efc2a6da0f8763ee1c0707f9b.jpg?v=1774957334"}],"url":"https:\/\/gaolijierobot.com\/collections\/complete-catalog.oembed","provider":"Gaolijie","version":"1.0","type":"link"}