... steel ect. MAIN PRODUCTSPrecision casting, precision machining,door lockMACHINING CAPABILITYAll types of cnc machining centers, ... , lathes, drilling, handing lathesSURFACE TREATMENT CAPABILITYZinc plate, chrome plate, polishing, paint, powder coat, shot blast,sand ... steel, alloy steel, stainless steelHeat resistance steel,door lockMAIN ADVANTAGES1. professional manufacturer, high reputation2. Good ...