Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering ASME B16.5 DN50 2 Inch Class 150 ASTM A105 Welding So Stainless Steel Flange HVAC, ASME B16.5 DN80 Class 300 En 10025-2 Double Fillet Welds Necked Flat Welding Stainless Steel Flange, ASME B16.5 DN300 Class 150 C95400 Potable Water & Drainage Slip on Stainless Steel Flange and so on.