Computer engraving is software typesetting and engraving on the computer through a laser engraving machine. There are two kinds of engraving machines: laser engraving machines and photosensitive engraving machines. Usually refers to the laser engraving machine, which requires a computer and a laser engraving machine (other parts are equipped with laser engraving machines), and then there is the demand for seal materials; The photosensitive stamp machine needs an extra laser printer.