Established in 1998, hebei haiyuan pipe fittings co., ltd is located in yinzhuang industrial zone, mengcun county, manufacturing steel butt welding pipe fittings and forged flanges. the main products are 45 deg, 90 deg and 180 deg elbow, equal tee and unequal tee, concentric and eccentric reducer, caps, welding neck flange, slip-on flanges and blind flange etc.