GZHCH Machinery — HVAC Duct Machinery | Guangzhou, China

GZHCH Machinery is one of the leading air ducting machinery suppliers in China, operating since 1986. The company specializes in spiral tube formers, auto duct production line machines, lockformer machines, and plasma cutting machines, and has grown into one of the largest and most comprehensive HVAC machinery manufacturers in China.

The company operates from a 3,000+ square meter factory, with over 200 processing equipment units and more than 150 corporate employees. GZHCH offers customizable manufacturing per client specifications, all-steel welded construction across its product range, and year-round after-sales service with scheduled client follow-ups. The company has completed installations across China (Ganzhou, Hangzhou, Yichang) and maintains an active YouTube channel showcasing installation and commissioning footage for international buyers.

Product Range

GZHCH manufactures a comprehensive range of HVAC ductwork production equipment, including:

• Auto duct production lines
• Rectangular duct forming machinery
• Round/spiral duct forming machinery
• CNC cutting and CNC welding machines (including fiber laser cutting)
• Fire damper production equipment
• Other sheet metal machines
• HVAC accessory production equipment
• Finished product matching/assembly equipment

Notable products:

• Auto Duct Production Line — U-type structure duct coil line, achieving 20–25 seconds productivity per piece
• Fiber Laser Cutting Machine — 1000W to 6000W power options with automatic nesting software, for rectangular/circular/elliptical pipe and general sheet metal cutting
• CNC Angle Steel Flange Welding Machine — among the largest manufacturers of this equipment in China, with a welding cycle of approximately 10 seconds per flange

Why Buy From GZHCH Machinery

• 39+ years of manufacturing experience (founded 1986)
• Large-scale operation — 3,000+ sqm factory, 200+ processing equipment units, 150+ employees
• All-steel welded construction across the product range
• Customizable manufacturing to match client specifications
• Year-round after-sales support with scheduled follow-ups
• Proven installation track record across multiple Chinese provinces, with international support capability (multi-language site: English, Russian, Arabic)