Promotional Gift Metal Customized Heart Shaped Pin Badge
- Brand: MFX
- Packaging: 1pcs/opp bag ,paper card , or ...
- Supply Ability: 3000000PCS/month
- Min. Order: 500 Piece/Pieces
What are hard enamel pins made of? Hard enamel pin badge are mainly made of metals (such as copper, iron, zinc alloys, etc.) and enamel powder (also known as porcelain glaze). The process usually involves designing patterns, making molds, pressing metal, filling enamel powder, baking, sanding, plating, and assembly....
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