Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering JIS G3463 Stainless Steel Welding Tubes for Boilers and Heat Exchangers, Inconel 600 Nickel Alloy Pipes for Seamless and Heat-Exchanger Tubes, ASTM A269/A269M Seamless Austenitic Stainless Steel Tubes for high-temperature in general corrosive service and so on.