Flange, Pipe Fittings, Forged Flange manufacturer / supplier in China, offering ANSI 150 Weld Neck Flange A182 F304L/316L Forged Flange with Customized, High Precision Stainless Steel Blind Casting Round Forged Flange for Industrial Application, Stainless Steel/Weld Plate Neck/Blind Raised Face/Flat Welding/Carbon Steel/Slip on Flange and so on.