HVAC PRE-INSULATED DUCT
OEM & ODM services for all kinds of HVAC duct, PU FOAM and aerosol products
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OEM & ODM services for all kinds of HVAC duct, PU FOAM and aerosol products
Haohai designed full set of fine accessories for installing ducts, including various flanges, special adhesive, tools etc. All of the accessories are designed and manufactured by Haohai, and strictly quality checked by the QA department.
Hooked hanger bracket
Aluminum “Y” type flange
Aluminum “F” type flange
Aluminum “h” type flange
Aluminum “U” type flange
Aluminum shaped disk
G.I. Square
PVC“U” type flange
PVC tee-connector flange
PVC “F” type flange
PVC invisible flange
Covering angle
PVC H bayonet
V model reamer
45 degree reamer
Straight reamer
Toolbox
Aluminous ruler (4meters & 2meters)
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In PU foam (OCF) industry, Haohai is one of the leading PU foam manufacturers in China.
Shanghai Haohai Chemical Co., Ltd.
(hereinafter referred to as Haohai)
Is a private-owned enterprise specializing in the R&D, production and sales of polyurethane and aerosol products, as well as fireproof and noise absorption materials.