High strength compound duct installation construction special duct flange PVC U flange for duct

Flange/PVC composite duct installation special duct flange/flange for aluminium/aluminum alloy flange/cutting auxiliary materials, such as the Shanghai international is the first domestic specialized in air conditioning duct system research and development and upgrade technology company, the company with the most advanced technology, excellent quality and the most comprehensive products, and actively create the first brand of the domestic composite duct. PVC flange is the most indispensable air pipe connection in the compound air pipe system, which directly affects the air leakage rate and service life of the air pipe system and other important indicators. PVC flanges have passed the strict laboratory test and practical test, and are the most rigorous component of youshi brand.
We promise that our PVC flanges are made of non-return material and can reach the class B1 standard. The product is used for heating and cooling ventilation ducts, central air-conditioning phenolic aluminum foil composite duct, extruded aluminum foil composite duct, color steel composite duct connection, the product has beautiful appearance, easy to use, environmental protection, flame retardant, cheap and other advantages, product specifications are diverse, tailored for customers to create the most economical program.
Ushi takes the consistent professional attitude, and our partners together to provide customers with better quality and cheaper products.