Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering 304 Stainless Steel DN80 Rubber Expansion Joint Flanges, TP304 DN80 Pn10 Stainless Steel Blank <Blind> Flanges for En1092-1, BS 4504 DN60 Pn6 F60 Pressure Gauge Ports Systems Female Th Flange and so on.