... 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 ... series could engrave on a variety of nonmetals, Such as leather, PMMA, wood, paper, ABS, PVC, EP, epoxy resin, glass. Widely ...