Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering Premium 5-Inch 150lb Stainless Steel Slip-on Flange ASME B16.5, High-Quality ANSI B16.5 DN20 304 Stainless Steel Slip-on Flange, Good Quality BS4504 DN50 316L Stainless Steel RF So Flange and so on.