... . Buttons OEM Ability:1) Machines:Die casting machine for alloy products, Stamping Machine for brass products2) Surface Coating:Polishing, ... machines for testing button5) Materials: H65 Brass & #3 Zinc Alloy, Eco-friendly by SGS approved6) Products Standard: Lead Free, Nickel ... Nickel,Sliver,Gold,Brass,Copper,Gun metal, Pewter, Black nickel, alloy etc.9) Payment: 30% deposit, 70% balance before ...