... -casting,stamping,plating,pant,enamel; 3.Use:promotion gift 2011 New Arrival Metal PinMaterial & process:Zinc alloy,brass,iron,copper(diecasting,stampingSize45mm ... customer’s request)Electric-plateinggold,anti-gold,anti-gold,silver,anti-silver,nickel,anti-nickel,black nickel,brass,anti-brass,copper,anti-copper,dyed black,double ...