Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering Forged 304L JIS B2220 3" 150lb RF Slip on Stainless Steel Flange, High-Quality JIS B2220 DN65 304 Stainless Steel So Flange, High Quality GOST12820-80 DN100 316L Stainless Steel RF Slip on Flange and so on.