Cell Phone Chain/Mobile Phone Charm/Pendant 1.material: Zinc alloy, Brass, Silver, ... this manufacturing process, we use the material brass. 4). Print (Off-set print & Silk print) ... 2). Plating --- We can plate the metal products with gold, silver, nickel, rhodium, brass, copper, antique ... This process is also called "polished enamel". 4). Soft enamel with clear epoxy. 5). Soft enamel without epoxy. ...