... CO2 high speed Laser Marking Machine JQ-30 to make serial number/barcode etc. Machine IntroductionsCO2 laser marking ... Area11cm*11cmEngraving Depth≤3mmThe depth is adjustable according to different materials.Linear Speed≤7000mm/sMin. Line Width0 ... , food and beverages, wines, medical packing, leather, plastic, rubber, wood products, advertisement, arts and crafts, glass, printing, ...