Sell HVAC air duct coupling / nipple

HVAC air duct coupling / nipple You May Also Be Interested In: air coupling hvac air duct hvac air duct coupling hvac air duct nipple hvac duct
material: galvanized steel sheet
APPLICATION: air ductwork of HVAC and ship etc.
pre-insulated duct, regulating damper, circular silencer, fittings and pieces in the production of customers requirements, dealing with various air flow measurement. Our products mainly consist of ship fittings and HVAC fittings of ductwork in construction and real estate industry. We can offer mass production with low cost and high quality thank to computer operation processing syste