Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering BS 4504 DN10~DN150 Pn6~Pn16 Water Treatment C95400 Screwed Flange, BS 4504 DN50 Pn6 Corrosion Resistance ASTM B564 Screwed Flange, BS 4504 DN100 Pn10 Mechanical Strength Uns N10276 (C-276) Th Flange and so on.