Cell Phone Chain/Mobile Phone Charm/Pendant 1.material: Zinc alloy, Brass, Silver, PVC and ... manufacturing process, we can use the following materials: brass, copper, iron, aluminum. 2). Die cast (injection die cast) For this manufacturing ... print) For this manufacturing process, we can use the materials: iron, brass, zinc alloy, aluminum, copper. 5). Soft PVC (soft PVC ...