Cast Iron Valve, Cast Steel Valve, Ball Valve manufacturer / supplier in China, offering ANSI DIN En1092 Carbon Steel /Stainless Steel Forged Wn/So/Threaded/Plate/Socket/Blind RF/FF Flange, ANSI/DIN/En1092 Forged Carbon/Stainless Steel Pn10/16 Welding Neck/Blind/Slip on//Socket Welding Pipe Flanges, ANSI, DIN, GB, JIS, GOST Carbon Steel Stainless Steel Blind Flange and so on.