leading company in medal field in china high quality with competitive price 10 years experience 1 material & process; zinc alloy ,brass .iron copper etc2 size :30mm, 40mm.45mm,50mm ,60mm,70mm diameter etc3 color: gold ,antique gold ,matt gold ,silver ,antique siliver ,nickle ,black nickle ,copper ,chrome or any others4 flat 2D effect ,3Deffect ,one or both sides logo laser engraving5 sample time ...