CO2 series could engrave on a variety of nonmetals, Such as leather, PMMA, wood, paper, ABS, PVC, EP, epoxy resin, glass. Widely Working principles:CO2 laser engraving machine is a type of gas laser machine as wavelength 10600nm. CO2 is filled in the discharge tube as the medium to radiate laser. The high the voltage, the electrode will stimulate glow discharge in the tube, and then the gas ...