Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering ASTM A192 P265gh/P235gh/P265tr1 Seamless Carbon Steel Tube for High Pressure and Superheated, ASTM A249 Welded Tp304h/Tp316h/Tp347h/Tp348h Stainless Steel Tubes, ASTM A214m Ks/JIS Stbh340/410/510 Welded Carbon Steel Tube Condenser Pipes and so on.