Cell Phone Chain/Mobile Phone Charm 1.material: Zinc alloy, Brass, ... lines as below: 1). Stamp (die struck) For this manufacturing process, we can use the following materials ... , aluminum. 2). Die cast (injection die cast) For this manufacturing process, we mainly use the material zinc ... . 2). Plating --- We can plate the metal products with gold, silver, nickel, rhodium, brass, copper, antique gold ...