Tianjin Tanggu Valve Co., Ltd (TVT) was established in 1953 whose origin is Tianjin Tanggu Valve Plant. It was a large-scale state-owned enterprise specialized in the producing, manufacturing and R&D of all grades of valves. TVT was the first enterprise to introduce the advanced technology of butterfly valve from U.S.A. in 1980. It pushed the development of valve industry in China. TVT jointed capital with Watts Valve U.S.A. to establish Tianjin TWT Valve Co., Ltd in 1994. It made our valve enjoying a good reputation domestic and overseas, and sold well in Europe and America. Tianjin Tanggu Valve Plant was reformed to Tianjin Tanggu Valve Co., Ltd (TVT) in 2004. Now TVT is regarded as the preferred business partner for national major projects.