Steel Pipe, Steel Coil, Steel Sheet manufacturer / supplier in China, offering European Standard En 10210-1 S355j2h S275j0h Seamless Carbon Steel Pipe for Construction Machinery and Load-Bearing Frames, ASTM A106 Gr. B φ108×5mm Carbon Steel Seamless Pipe for Fluid Transportation, 12m Long, Sch40, Suitable for Export Equipment, Robust Thick Wall Sch80 Sch160 Seamless CS Pipe ASTM A106 Grade C for High-Stress Structural Piling and Heavy Machinery Parts and so on.