Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering ASME SA213 T11 En10216-2 38.1X2.1X10110mm Seamless Alloy Steel Tube for Boiler and Heat Exchanger, High-Pressure Seamless Boiler Tubes for Power Generation ASTM A192 / A213, En 10224 X46 Large Diameter Welded Steel Pipe ID 960mm × 10mm for Water Pipeline and Structural Engineering and so on.