Apr 02 , 2021
3W5W UV laser for marking the production date of food packaging bags
3W5W UV laser for marking the production date of food packaging bags Each package of espresso will have a UV-marked date and bar code, which is convenient for plastic source and anti-counterfeiting. The thermal influence of the ultraviolet laser on the processed object is negligible. When the heat-affected area is small, there will be no thermal effect, and there will be no deformation or s...
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