Product information: Product Name: Aluminum stamping partsBrand Name: OEMModel Number: customizedMaterial: Aluminum alloy, or according to customers' requirementsSurface finish: Polishing, anodized, hard anodized, ... use? A: Cold & hot rolled Steel, Stainless steel, Galvanized steel, Aluminum alloy, Brass, Copper, Titanium, Iron, Nylon, or according to customers' requirements ...