... plated Process:Soft enamel ODM/OEM are welcomed. Item: Keychain Zinc Alloy Weight:21gTechnique: Die casting; Plating:Nickel platedProcess:Soft enamelODM/ ... pins use zinc alloy only. Die cast is the better process for a lager quantity custom pins or custom coin and it ... bearing such trademarks. All the things we can do MaterialZinc alloy, iron, bronze, brass, copper, stainless steel, pewter, aluminum. ...