... 150mm 5.marking speed: 7000mm/s laser marking machine for eyeglass logoFeatures:All set imported metal sealed laser system, easy to ... dirt in the airEquipment pictureApplicable materialsA variety of nonmetal materials (leather, cloth, paper, bamboo, wood, acrylic, organic glass, resin, rubber, etc ... for customer6.Free software update CO2 Laser Marking Machine for eyeglass logo