... -casting,stamping,plating,pant,enamel; 3.Use:promotion gift 2011 New Arrival Metal PinMaterial & process:Zinc alloy,brass,iron,copper(diecasting ... ,black nickel,brass,anti-brass,copper,anti-copper,dyed black,double colour. Package1pc/opp bag,100pcs/big bag,500pcs/carton or ...