Weihai Tongge Polyurethane Co., Ltd established in 1992, bends itself to research, manufacture and sale of polyurethane elastomer water power cyclone, polyurethane waterproof antisepsis dope, polymer cement waterproof paint. It is China Polyurethane Industry Association Member, Shandong Waterproof Association member. The plant is located in the Development Zone of Weihai Torch Technology Industry, a beautiful coasal city. It insists on human-oriented, science and technology led, and develops market, cooperates with domestic relevant science and research institute on technology ceaselessly. It is able to manufactures suitable product constantly conforming to various application environments to innovate new polyurethane recipe system, and according to different occasions to adjust cyclone structural parameter. It maintains advancement in technology. The company owns fine equipment, full range of testing equipment, stable product quality and sincere service for customers. Products sold all over the country, part of them exported to foreign countries. Besides, it is eligible posted supplier for some large enterprises such as Qilu Petrochemical, Luzhong Mine, Weihai Construction Group, Baiyin Company. Tongge Polyurethane Waterproof Antisepsis Dope appraised by experts in 1999, has successfully applied in some large projects and won good social and economic benefit.