... on most non-metals 3.No pollution & consumption 4.Long lifetime CO2 high speed Laser Marking Machine JQ-30 to make ... serial number/barcode etc. Machine IntroductionsCO2 laser marking machine is specially developed for non-metals ... organic glass, paper, jade, agate, etc.Applicable IndustriesTobacco, food and beverages, wines, medical packing, leather, plastic, rubber, wood products ...