Flange, Stainless Steel Flange, DIN Flange manufacturer / supplier in China, offering En10253-4 ASME ANSI B16.9 Mss Sp-43 DIN2605 JIS B2313 Sh3408 Sh3409 GB/T13401 Stainless Steel Concentric/ Eccentric Reducer Butt Weld Pipe Fittings Sch10/20/40, ANSI B16.5 Class 150 Slip on 316L RF Flange DN80 Stainless Steel, GOST 12820-80 Pn16 Pl SS304 RF Stainless Steel Flange Oil Gas and so on.