Detailed Product Description 1. Materials: copper, brass, zinc alloy, iron, stainless steel, pewter, aluminum2. Plating: gold, anti-gold, silver, anti-silver, nickel, anti-nickel, black nickel, anti-brass, anti-copper, chrome, dyed black, anodized aluminum, painting 3. Process: stamped, die cast, injection, photo etched, printing4. Logo: soft enamel, hard enamel(cloisonne), imitation hard enamel, ...