... TS16949 and ISO9001: 2000, SGS. material:GG15, GG20, GG30 casting iron pump impeller we can manufacture kinds of casting products as ... 500 equipments and instruments, for example, automatic molding line from Japan, CNCS from Taiwan, mould carving machine, optical spectrum analyzers and 3D ... , please email us the drawing or send sample to us. cast iron pump impeller