Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering ASTM/ ASME/ GB/ DIN/ En Xxxx Boiler Tube for Petrochemical Refinery, A106 Gr. B A213 T11 SA210 Gr. C En10216-2 P235gh Tube for Power Plant, Boiler Tube A106 A213 ASME SA210 En10216 for High Temperature Industrial Boilers and so on.