Cell Phone Chain/Mobile Phone Charm 1.material: Zinc alloy, Brass, Silver, PVC and so on. ... manufacturing process, we mainly use the material zinc alloy. 3). Photo etch For this manufacturing process, ... we can use the materials: iron, brass, zinc alloy, aluminum, copper. 5). Soft PVC (soft PVC material ... Pewter (For this process, the material is the alloy of tin and lead) Based on different designs, ...