metal badge material: zinc alloy process:diecasting, electric-plate,painting; ODM or OEM are welcome fast delivery time Material & peocess :Zinc alloy. (diecasting, stamping)Size:35mm, 45mm,55mm,60mm,70mm diameter etc (costom size is accepted)Thickness: normalloy 3mm,3,5mm,4mm,5mm etc(up to customer’s request)Electric-plating:gold,anti-gold,silver,anti-silver,nickel,anti-nickel,black nickel,brass ...