Fiber Laser marking machine adopts the third generation (the most advanced) solid-state fiber laser to create the super fine effect of marking. This model is compact structure, no pollution, no optical power coupling loss, air cooling, high efficiency and stability, its life is more than 100000...
https://www.cllaser-technology.com/laser-marking-machine/fiber-laser-marking-machine/fission-combination-fiber-laser-marking.html