... steel products;-Buckle sign industry: buttons, luggage buckle, belt buckle, gold and silver ornaments, signs, badges, time cards, business cards, greeting ... magnesium, zinc and all other metals), rare metals and alloys (gold, silver, titanium), metal oxide ( any kinds of metal oxide ... ), epoxy resin (encapsulation of electronic components, insulation layer) 50 W High Precision Metal Laser Marker