... factory audit from TCCC 3)Export to America, Europe 4)Nickel lead free Alloy casting custom shaped medals :1) Material : ... you can choose if you need.2) Plating :Gold ,silver, Nickel, Chrome, Bronze,Copper, Antique gold, matt gold, Antique silver, Antique bronze ... ,Antique copper, Antique nickel, etc.3) Craft:Stamp, Die struck,Hard enamel, Imitation hard ...