Flange, Steel Pipe Flange, Stainless Flange manufacturer / supplier in China, offering Stainless Steel 304/316L Flat Welded Neck Butt Welding Flange ANSI JIS, ASME B16.47 Nps 26" Class 150 F304/F316L Flat Welding Flange Stainless Steel, JIS B2220 Stainless Steel / Copper Forging Duct Welding Blind Flange and so on.