Steel Pipe, Carbon Steel Pipe, Seamless Steel Pipe manufacturer / supplier in China, offering ASTM A672 B60 / A671 Cc60 ERW Welded Carbon Steel Pipe Used for High-Pressure Applications, API 3lpe Fbe Steel Hollow Section Spiral Welded Line Pipe for Water Gas SSAW Steel Pipe, ASTM/GB/DIN/GOST/JIS/ISO Customizable Seamless Cold Drawn Precision Steel Tube and so on.