... zinc, steel, brass, 2.Surface treatment: polish, plating, 3.custom stainless steel warm wheel 1.Aluminum, zinc ... , steel, brass, 2.Surface treatment: polish, plating, 3.custom 1.Materialstainless steel,Aluminum alloy,etc 2 ... machine,drilling machine,numerical lathe, all types of lathe. 7.Surface finish process Polishing, sand blasting, heat treatment, painting, powder coating, anodizing, electro plating ...