... .24h working time 4.Low cost High speed laser marking machine: YAG lamp pumped lasers are currently the most technically ... , no pollution, environmental protection and so on. YAG laser marking machine mainly by continuous YAG lamp pumped lasers, lasers, acousto-optic ... spectacles, watches, jewelry, car parts, metal products, gifts, trademark sign, and so on.Technical data:ModelLH-YDB50-70LH-YDB50-100LH ...