Badge: low-power laser engraving machine [engraving machine], high-power or low-power computerized engraving machine can be　Architectural models: large and small power computerized engraving machine　　Metal (molds, chapters, etc.) processing: large and low-power computer engraving machine (high power

Laser lens is divided into focusing lens, protection lens and other types of lenses, in its working process to avoid some pollution, such as water pollution and dust pollution, then the daily maintenance process needs to be cleaned laser lens to ensure the stability of the laser cutting machine.