... all kinds of metals 2. Continuous work on 24 h 3.CE Approved 4.Easy operate Diode Pump Laser MarkerSampleTechnical ... , graphics or auto-coding, serial No., batch No., barcode, 2 -D code, etc. on metal or nonmetal surface (plastic, ... friendly. 4. Its mainly equipped with the international advanced semiconductor light-emitting diode. diode laser module, scanner head, beam expander, reflect lens, Q ...