Reducer Concentric, Flange, Elbow manufacturer / supplier in China, offering Customized Pl Flange Plate Stainless Steel 304/316L 16" Slip-on (SO), Customized Pl Flange Plate Stainless Steel 304/316L 18" Slip-on (SO), Customized Pl Flange Plate Stainless Steel 304/316L 1 1/2" Weld Neck Flange (WN) and so on.