... JQ-30 to make serial number/barcode etc. Machine IntroductionsCO2 laser marking machine is specially developed for non-metals marking industry ... non-metals, for example, leather, wood, textiles, plastics, acrylic, glass, crystal, stone, MDF, dual-color board, organic glass, paper, jade, agate ... , plastic, rubber, wood products, advertisement, arts and crafts, glass, printing, ornament, jewelry, etc.