Metal key chain Material: zinc alloy Size:Custom Various size by orders Process: Die Cast Plating: Various plating by order, gold, Nickel, brass, copper, Silver, Anti-nickel, Anti-brass, Anti-copper Anti-gold, mat-gold, mat-nickel, etc. Color:Soft enamel color, imitation cloisonne color, Back: flat or double design Attachmenat: Butterfly clutch or plastic clutch, safety pin, tie bar or tie tack, magnet etc Package: 1pc/polybag, 100pcs/big bag or customer designed Min Order Quantity: 100pcs Delivery time:sample order:7 business days turnaround from art approval date; setup+$30 Turnaround:18 business days from the artwork apporval date or 15 business days from sample approval date Step1.Making the mold A computerized system is used to engrave your design on the mold surface by using the CNC engraving machineStep2.Injection Molten material is injected to the die casting nachine when two dies are fixed well Step3. Attachment Attachement is spot welded on to the back of each piece Step 4.PolishingHand polishedor macbinepolished are available, which can make the surface smoothy and shinyStep5.Plating Step6. Final inspection Then each pin iks inspected to ensure only the highest quality is individually packaged and send for final inspection