Yingkou Tianyuan Chemical Research Institute Co., Ltd., formerly known as Yingkou Petrochemical Research Institute, was established in 1971. It is a scientific research enterprise specializing in fine chemical products, polyurethane foam sealant, polyvinyl butyral, chlorinated paraffin, aerosol cans, and military and civilian products. Products are widely used in construction, military industry, daily chemical industry, medicine and other fields. The company is located in the west section of Xinhu street, Liaoning (Yingkou) coastal industrial base, covering an area of 116000 square meters. It has four branches: Yingkou Tianyuan Chemical Packaging Products Co., Ltd., Yingkou Tianyuan polymer resin Co., Ltd., Tianyuan Chemical Hebei Baigou polyurethane filling branch, Tianyuan Chemical Hebei Xinji paraffin factory.