Ss Flange, CS Flange, Nickel Alloy Forged manufacturer / supplier in China, offering Carbon Steel 2" Inch JIS 10K ASME B16.9 /B16.47 ASTM A105/A403 Forged Bleed Ring, Customized Carbon Steel ASTM A105n Nps 6 Inch ANSI B16.5 Class 600 Fvc (HB) Nozzle Boss, ASTM A355 F92/F91forged Tube Pipe for Oil & Gas Heavy-Duty Forged Seamless Cylinder Barrel – 42CrMo/304ss/316L/Carbon Steel and so on.