1.Laser Marking Machine for Metal 2.Manufactory 3.Laser Marker with Transparent Lines 4.CE, ISO 5.English software... laser marking machineTechnical paremeter modelJMD-50JMD-100laser ... , diode, YAG Laser Module.Parts: Laser power, laser generator, Q switch, scanner mirror, crystal bar, Laser Beam Expander, optic system, operation system, lighting systemSample: laser marking machine