What material does Enamel pin generally have?
1. Zinc alloy zinc alloy Zinc alloy has several characteristics that are very suitable for custom-made metal badges, suitable for making three-dimensional badges and double-sided commemorative coins. A-Good casting performance, it can die-cast complex-shaped, thin-walled rice-dense parts, and the surface of the casting is smooth; B-The surface can be electroplated, painted, sprayed, etc.; C-No iron…