The portable ultraviolet laser engraving machine has high beam quality and a very small spot, which can achieve high-precision marking; Perfect marking quality: 355nm output wavelength can effectively reduce the thermal impact on the workpiece; High precision marking with galvanometer, precise marking effect and repeatable processing; High precision spot ensures perfect marking results; The marking process is non-contact, and the marking effect is effective; UV laser marking machine has a wide range of applications; The heat affected area is extremely small, and there will be no deformation or burning of the heat affected material; Fast marking speed and high efficiency; The whole machine has stable performance, small size, and low power consumption. Suitable for marking materials with high thermal radiation reactions; Can be coordinated with production lines, automatic loading and unloading, and automatic feeding and discharging; Suitable for marking on the vast majority of metal and non-metal materials.