auto part ISO9001:2000 Approved Process: precision casting &Tooling Standard: JIS, DIN, ... 2.OEM service available 3.Materials: stainless steel,cast iron,pig iron,carbon steel,alloy steel,non-ferrous,grey iron,ductile cast iron ... .surface treatment,polishing,machining,machining center,plating,HeatTreatment,ect. auto part