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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: OCTOPUS
  • Model Number: R / PR
  • Type: HVAC Systems
  • Product name: Air duct
  • Shape: Round
  • Dia (mm): 80~2500
  • Material: Galvanized Steel, Stainless Steel, Galvalume Zinc, Aluminum Plate
  • Zinc Coated: Z275g / G90
  • Coated: Galvanized, Zinc Coated Plated
  • Logo: ODM / OEM
  • Certificate: ISO, DW144
  • Sample: Available
  • Usage: HVAC, Marine Construction

Packaging & Delivery

Packaging Details Air duct packing: Standard Export Package
Delivery Time Based on Quantity

Spiral Air Duct   

Product Description

Spiral duct, Galvanized spiral duct, HVAC galvanized spiral duct, air duct


The information of air duct:

NameSpiral Pipe Welding Pipe  Pre-insulated PipeAcoustic Pipe 
Item No.RW PR PRS 
Size (mm)80~2500 100~1250 80~500 80~500 


Our Capacity

•Factory surface : 15 000 Square Meters
•Annual output : 2 million meters of round ducts /  2 million pieces of fittings
Our Strength
•Highly mechanized production ( Duct Dia up to 2,500mm, thickness up to 2.5mm )
•Specialized in marine construction with high zinc coated plate ( Z275g / G90 )
Our Products

Our workshop
Company Information

Octopus Metal Co., Ltd is the leading HVAC Ductwork manufacturer in China. Our annual processing capacity reaches 120 000 tons (1.5 million M2).


We operates 4 efficient production sites for galvanized rectangular air duct manufacture. Our duct works are certified by China National Accreditation Service for Conformity Assessment (CNAS).



· Factory is ISO 9001:2008 certified

· Europe Standard DW144 (Classic D)

· Glass wood certificated by GL,DNVas the insulating layer  



Contact Information

Any inquiries, welcome to contact me!

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China (Mainland) | Trading Company
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