Shanghai Haozheng Building Materials Co., Ltd is a professional manufacture of polyurethane building material, specialized in researching, developing, sales and constructing for long time. We are leader supplier of the one-component ,two Ccomponent  products and  raw material in China. 

Based on our advanced technology from Germany and Belgium , our polyurethane foam product have been well-known in China and oversea market. 

Based on our advanced spray equipment ...