lapel pins (lapel pin)
1> Material: brass, copper, iron, aluminium, stainless steel, zinc alloy etc.
2> Process: die struck, die casting, photo etched, silk screen print, offset print etc.
3> Enamel: soft enamel, synthetic enamel, hard enamel, without enamel
4> Plating:... - Update: 2013-06-17