... time 4.Low cost High speed laser marking machine: YAG lamp pumped lasers are currently the most technically mature and widest range ... , no pollution, environmental protection and so on. YAG laser marking machine mainly by continuous YAG lamp pumped lasers, lasers, acousto-optic ... , serial number, lot number, date, bar code and two-dimensional codes marking.5.Laser power, energy can be used by current ...