Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering Tube/Seamless Pipe Standard Copper Alloy BS2871 C12200/Cw024A T2, C44300 Admiralty Brass, C68700 Aluminum Brass for HVAC, Shipbuilding, Plumbing, Heat Exchanger, ASTM A252 SSAW Carbon Welded Steel Pipe for Structural Support for Foundation, GOST9940-81 Seamless Ferritic/Martensitic Hot-Deformed Stainless Steel Pipes for Heat Exchangers, in Industrial and so on.