... steel, stainless steel, aluminum . 2.Surface treatement: Zinc, powder painting,galvanized... Welcome customized drawings or blueprints; OEM ... .Material:Steel, stainless steel, carbon steel, aluminum, zinc, brass, plastic etc.Making process:Stamping, deep drawing ... tapping, riveting, grindingSurface treatment:Hot galvanized, polishing, chrome/zinc/nickel plating, PVC coating, anodize, E-coating set top ...