Diode Laser marking Machine for aluminum, Laser engraving type:Diode Laser marking power: 50W Laser marking Speed:7000m ... as +/-0.3mm, it can mark on a variety of metal and non-metal material, especially for the industry requires high accuracy ... signs, badges, cards, photographs , belts, pens and pencil cases, trophies and various certificates , works of art, stamps, plaques, etc.;Wood industry: wooden ...