The product is made by technologies, some of which are developed on our own while others are learned from other famous brands.In the fields like Sandwich Panels, our product is widely used for its versatility and guaranteed quality. Manufactured following the strict management system, our Pre-insulated Phenolic Duct Panel Kingspan has gained a reliable quality. Before its launch, it has passed the tests based on international rules and is certified by several authorities. HAOHAI is worth the investment for those customers seeking business opportunities. Pre-insulated Phenolic Duct Panel Kingspan,as one of our best and latest products, deserved to be noticed widely and displayed to customers around the world.
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In PU foam (OCF) industry, Haohai is one of the leading PU foam manufacturers in China.