Haohai Group is a high-tech enterprise specializing in the R&D, production and sales of polyurethane and aerosol products, as well as fireproof and noise absorption materials. We have three subsidiary companies two production sites, have got IS09001: 2000 certification. Haohai is specialized in PU Foam, polyurethane pre-insulated ducts. Our brand "Dongyuan" & "Haohai" are famous in the field in China. Our PU foam products are characterized by fast filling, high expansion, high elasticity and no shrinkage. It′s suitable for sealing, filler gap, fixed bonding, especially for filler gap between steel or aluminum windows, doors and walls. Haohai duct is a new material duct, its advantages such as energy saving, environmental protection, no pollution, light & easy installation, fireproof, soundproof, nice appearance and long service life. We also have CE certification and are exporting to Singapore, Spain, Brazil, Ukraine, Russia, Australia, Japan and etc, all get high appr... [
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