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DIN En1092-1 BS4504 Uni GOST ANSI ASME B16.5 JIS GOST 12820 Russian Plate Flate Flanges RF Plff Welding Pn10/16 Sorf Wn Stainless Steel 304/316 Pn16 Class150lb, Find Details and Price about Plate Flange Plff Flate FF Flange from DIN En1092-1 BS4504 Uni GOST ANSI ASME B16.5 JIS GOST 12820 Russian Plate Flate Flanges RF Plff Welding Pn10/16 Sorf Wn Stainless Steel 304/316 Pn16 Class150lb - ZHEJIANG CHENGJIU PIPELINE CO., LTD.