carbon steel forged flange and pipe fitting We manufature all standard product conforming ... standard We are the Hebei Xinfeng High-pressure Flange and Pipe Fitting Co.Ltd. As one of the biggest ... . China .We can promise good quality reasonable price and good service. We specialize in forged flanges. The ... , ANSI, DIN, JIS, EN, BS, ASA,3. Design: plate, blind, welding neck, slip-on, weld-on, lap joint, ...