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?3w 5w 10w  desktop sealed green laser marking machine forGreen Laser Marking Machine>>Principle Green laser processing is achieved by photochemical ablation.Strong energy of the laser can interrupt the bonding between atoms or molecules and transform them into small molecules. Small molecule is easy to evaporate.>>Machine feature1.Green laser is cold light, no heat effect.minimal heat affected zone, no thermal effect, no material burning issue;2.532nm laser focused spot is very tiny, suitable for very high precision marking.3.materials can absorb the Green laser, and thus a wider range of app