355nm DPSS Lasers engraving PCB Boards   Plastics can be seen everywhere in our lives, and colored plastics have also become the most widely used materials, whether in beverage bottles, handicrafts, or building materials. In the past, marking on colored plastics usually used the ink jet coding method, but this method is prone to pollution and the marking effect is not good, so the ultraviolet laser has a stage to play.  

Nanosecond solid-state green lasers engraving PCB Boards