JINAN HYUPSHIN FLANGES CO., LTD is the large manufacturer and exporter for Steel flanges, main products are ANSI flanges, DIN flange, JIS flange, UNI flange, BS flange, SABS 1123 flange, GOST 12820 flange, GOST 12821 flange, type welding neck flange, slip on flange, blind flange, plate flange, loose flange, lapped flange, socket welding flange, threaded flange, size DN15-DN2000.