The so-called laser marking machine refers to a device that uses a laser beam to make permanent marks on various material surfaces. Laser engraving machine is an advanced equipment that uses laser to engrave the materials to be engraved. The common characteristics of laser marking machine and laser engraving machine are all processed by laser, which belong to advertising equipment. The laser marking machine can be used not only in the advertising industry, but also in various packaging industries. The laser engraving machine can be used not only in the advertising industry, but also in various decoration and automobile industries.