... EN71.Can OEM any designs,Zinc Alloy keychain Item name:promotional keychain,metal keychain,Zinc Alloy keychain1.Material: various metals including ... brass etc.2.Processing: injection,punching or others, depend on different materials3.Plating: gold, anti-gold, silver, anti-silver, ... thicknesses available5.You can add your promotionl Logo on tha keychain by laser engrave, printing , enamel, etc6.Packing: ...