China factory Mini fiber laser marking machine for Gold silver and jewelry.>>Fiber laser marking machine:Optical fiber laser integrated structure, no optical pollution, no power of the coupling loss, compact structure compact, air cooling, with other laser don't possess the high efficiency and reliability.Excellent beam qualityThe optical fiber laser is the medium mixed yb double-clad fiber, resonant cavity length, so the beam quality is very good, M2 value is 1.1, the output flare diameter can achieve 10 microns.Excellent beam quality to ensure that optical fiber laser marking machine in a va
China Factory Mini Fiber Laser Marking Machine For Gold Silver And Jewelry.