Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering En 1092-1 Stainless Steel 2" DN50 High Pressure Piping Blind Flange, API 6A Steel DN150 Supplier in China Female Face Blind Flange, ASME B16.47 Steel 280K Connection Figure Eight Blind Flange and so on.