Ss Flange, CS Flange, Nickel Alloy Forged manufacturer / supplier in China, offering Inconel 625 (UNS N06625) Forged Nickel Alloy Pipes for Extreme Heat & Corrosion, 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 and so on.