1) combination medal 2) die-casting+plating glod 3) soft enamel +printing 4) High quality with competitive price combination medal pin badge 1.Basic information of metal medal 1) Material & process: Zinc alloy, brass, iron, copper (die-casting, stamping) 2) Size: 30mm,45mm,55mm,60mm,70mm diameter etc (custom size is accepted) 3) Thickness: normally2.5mm, 3mm,3,5mm,4mm,5mm etc(up to customers ...