... ; 4.fast delivery Metal processing1. Professional mold design team. 2. material: steel , steelness steel, Iron,Aluminum.3.Surface: Galvanized ,Oxidative and painted ... ,Riveting, Grinding,Stamping, Assembling,etc.Surface treatment:Powder coating,Hot galvanized,Painting,Polishing,Brushing,Cataphoresis,Chrome/Zinc/Nickel plating, Anodize,Electronic ...