Diode Pump Laser Marker 1.Mark on all kinds of metals 2. Continuous work on 24 h 3.CE Approved 4.Easy operate Diode Pump Laser ... Its mainly equipped with the international advanced semiconductor light-emitting diode. diode laser module, scanner head, beam expander, reflect lens, Q-switch ... jewelry, glasses, auto parts, telecommunications products, plastic buttons etc. Diode Pump Laser Marking machine