Tianjin Shuangjie Steel Pipe Co., Ltd is a professional ERW steel pipe manufacturer since 1978.It is located in Beichen District, Tianjin. It is adjacent to Beichen Economic Development Area, 50 km to Tianjin Port, with special railway connecting the plant area, which is 270,000 square meters.
Since the establishment of our company in 1978, by adopting advanced equipment, relying on sci-tech progress and strengthening quality management, we have five High-frequency welding lines forΦ45、Φ60、Φ114、Φ325、Φ630 pipes and three hot galvanizing lines at present.Our main products are ERW black steel pipes and hot dipped galvanized steel pipes. Out diameter of our round pipes range from DN10 mm to DN630 mm. Wall thickness ranges from 2mm to 22mm .
As the High-frequency welded pipe is the leading product of our company, we always adhere to the principle of “quality first” and gain such honorary title as “National Excellent Product”, “Famous Brand of Tianjin”. Our welded pipes are widely used in the key projects in China and are sold in more than 20 countries and regions, such as the USA, Canada,Australia,Japan, the Gulf Regions and Hong Kong. We have become one of the leading exporters of welded pipes in China.