Ss Flange, CS Flange, Nickel Alloy Forged manufacturer / supplier in China, offering Custom Forged Flange ASME B16.9 /B16.47 ASTM A105/A403 Forged Stainless/ Carbon Steel Flange 6′′ Class 150 Raised Face (RF) Backing Ring Flanges, 2205 2507 Forged ASTM RF Flange Large Diameter Flange 150lb Spacer Flanges, Factory Wholesale Custom Service Quality DIN SAE Steel Flange Spare Parts Hydraulic Connector Adpter Carbon Steel SAE Thread Flange and so on.