We have installed new one 1200 ton pressure machine for flanges manufacturing on Oct 7, this pressure machine can produce rough rings size from DN15 to DN200, it will be much help for flanges production speed and volume. We focus on steel flanges' production all the time, we provide steel flanges based on quality and price all the time. Hyupshin Flanges Co., Ltd is your reliable coooperator for flanges supplying all the time. Buy flanges, contact Hyupshin.