Tianjin North-Pipe Trade Co.,ltd. is a professional manufacturer and exporter of steel tubes and pipes in China. It was established in 1989, with a registered capital of six hundred forty-one million US Dollars. Owning more than 600 professional employees, including over 50 engineers and technicians, Tiancheng specializes in steel pipes and tube, structure steel tubes, fluid steel pipes, high frequency welded steel pipes, low pressure boiler steel tubes, medium pressure boiler steel tubes, precision steel pipes and some stainless steel pipes.
Tiancheng's products are made according to the standards of API, ASTM, ASME, JIS, DIN, BS, EN, UNI, NFA, GB, and YB. The commonly used steel grade include 10#, 20#, 35#, 45#, 20CrMo, DZ40, DZ50, D60, 40Mn2, API A53Gr.B, A106Gr.B, API 5LB, X42, X46, X52, SPHC, 08AL, 08F, HG5, DF08, Q195-235, M8, 304, 304L, 321, 316, 304, 316L, 321, and 310S.................