Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering P235gh En10216 Seamless Steel Pipe for Boiler Systems and Pressure Equipment, Ap I 5L Grade B / ASTM A252 Grade 3 Welded Carbon Steel Pipe for Piling and Foundation Works, a Pi5l Gr. B / X42 SSAW Welded Large Diameter Carbon Steel Pipe for Foundation Piling Construction and so on.