Shanxi Solid Industrial Co., Ltd. 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 pipes, Ductile Iron Pipe Fittings, Flange Adaptors, Couplings, Dismantling Joints, Valves, Manhole Covers, Steel Flanges, Carbon steel pipe fittings, malleable iron pipe fittings, Rubber O rings, Fasteners. Pumps, Motor Shells and other Castings and Forgings according to different standards such as ISO2531, EN545, EN14525, ISO4422, ISO7005, DIN3352, BS5163, DIN3202, BS2494, BS4504, EN124 and other relevant ISO, EN, BS, DIN, ANSI, AWWA standards.