... pin badge/lapel pin is made of zinc alloy in Soft Enamel, with anti-copper plated,mainly used for promotion gift ... . Yaohong Pins Mfg Ltd., is devoted to providing superior,fast and versified services. We also handle everyone of our clients ... : copper, iron, stainless, brass, aluminum,zinc alloy etcStyle: new enamel, soft enamel, photo etched, silk screen printing, offset printing, zinc alloy ...