... no pollution, environmental protection and so on. YAG laser marking machine mainly by continuous YAG lamp pumped lasers, lasers, acousto ... , three dimensional computer control system of lifts, and marking software composed of several parts.Main features:1.Key parts ... spectacles, watches, jewelry, car parts, metal products, gifts, trademark sign, and so on.Technical data:ModelLH-YDB50-70LH-YDB50-100LH ...