Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering ASME B16.47 Nps 48" Class 75~900 Gr. B Forged Flange Cover, Mss Sp-44 Nps 26" Class 150 ASTM B625 High-Pressure Pipelines Bl Flange, Mss Sp-44 Nps 36" Class 600 ASTM B564 Offshore Blind Flange and so on.