Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering GB/T13296 304/304L 316/316L Seamless Stainless Steel Tubes for Heat Exchangers, Stainless Steel Flanges So RF F304/304L ASME B16.5 ASTM A182 DN125 Cl150 for Chemical, 304L/H/Ln 316L/H (00cr17ni14mo2 Austenitic Welded Stainless Steel Pipe for Chemical/Power/Food Industry and so on.