Bohai Yanshan Teng Tong Terry Tube Co., Ltd. at the coast, is in Cangzhou City, south of Shandong province, north of Tianjin, Beijing, Huanghua Port east. Located Wuliyao industrial area, convenient transportation, is operating large-scale manufacture of pipe specialized enterprises. The company's advanced production equipment, strong technical force, our company specializes in producing stainless steel flanges, reducers, stainless steel elbow, carbon steel elbows, valves, tees, crosses, manholes, endoscopy-based, production of various standard models of stainless steel flanges, elbows, head size, a variety of steel and other products.