Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering En 1092-1 DN800 Pn16 Water Treatment En-Jl1040 Pl Flange, JIS B2220 2.5 Inch Chilled Water & Heating En-Gjs-400-15 Pl Flange, En 1092-1 20 Inch Potable Water & Drainage En 1563 Flat Welding Flange and so on.