Shanxi Solid Industrial Co.,Ltd. is 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, BS2494, BS4504, EN124 and other relevant ISO, EN, BS , DIN, ANSI standards.