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, Precision Forged Pneumatic Cylinder Smooth Surface Finish Low MOQ Fast Delivery, High-Strength Forged Carbon Steel Cylinder Heavy Machinery Use Non-Destructive Testing NDT Verified and so on.