Jul 01 , 2021
Warum sollten KN95-Masken mit 3W 5W UV-Laser markiert werden?
Why should KN95 masks be marked with 3W 5W UV laser? With the spread of the epidemic around the world, people's demand for masks continues to increase, and major mask manufacturers are also working hard to increase the production of masks. Among them, mask marking is an indispensable and important part of the production process. The printing mark of KN95 masks is generally printed on ...
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