... Laser Marking Machine JQ-30 to make serial number/barcode etc. Machine IntroductionsCO2 laser marking machine is specially developed for non ... , stone, MDF, dual-color board, organic glass, paper, jade, agate, etc.Applicable IndustriesTobacco, food and beverages, wines, medical packing, leather, plastic ... , wood products, advertisement, arts and crafts, glass, printing, ornament, jewelry, etc.