... DIN,ASTM,BS 3.ISO9001:2000 Approved stainless steel pump impeller we can offer you water pump impeller according to your drawings or samples ... . 1.OEM service available2.Materials: stainless steel,cast iron,pig iron,carbon steel,alloy steel, ... service 9.surface treatment,polishing,machining,machining center,plating,Heat Treatment,ect.