Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering Carbon Steel Flange ASTM 694 Pipe Fittings F52 F60 F65 F70 Flange, ASME B16.48 Stainless Steel Blind Flanges 1/2" (DN15) - 100" (DN2500), ASTM A214/214m Ks/JIS/Uns Stbh340/410/510 CS Welded Pipes for Heat Exchanger and so on.