is located in the heavy industry province of Shanxi, China with rich resources of pig irons ,coke, steel and other industrial raw materials , we are one of the leading manufacturers of Ductile iron pipe fittings , Flanged adaptors , Couplings , Valves , Manhole covers , Dismantling joints , Rubber O rings , Steel flanges , Fasteners . Pumps , Motor shells and other castings and forgings according to different standards such as ISO2531, EN545, EN14525, ISO4422, ISO7005,DIN3352, BS5163, DIN3202, B... ...[More..]