custom-made pump impeller cd4mcu 1.material:SS316,SS316L ... ASTM, DIN,JIS,BS,etc stainless steel impeller pump1.ISO9001:2000 Approved2.technique:silical sol technique ... range:0.05--50kg10.Application:industrial parts,machinery parts,valve parts,train,craft,doorhandle,construction and so ... or the sample, hoping we can help you in precision casting. Item DescriptionProcessProcess design; Mould manufacture; ...