... lifetime CO2 high speed Laser Marking Machine JQ-30 to make serial number/barcode etc. Machine IntroductionsCO2 laser marking machine ... industry by JQ Laser Company. This machine was equipped with original American RF and high-speed galvanometer,the speed ... glass, crystal, stone, MDF, dual-color board, organic glass, paper, jade, agate, etc.Applicable IndustriesTobacco, food and beverages, wines, ...