... for your reference.production flow: drawings---mould making----casting----surface treatment/machining----final inspection----packing---delivery ServiceOEM/ODM are welcomedMaterialAluminum,zinc ... etcSurface finishPolishing,vibratory grinding,sand blasting,coating,electro plating,power coating,wet painting,chromatin machining service,drilling, tapping and CNC machining,etc,etcCertificate ISO9001 ...