1.Barcode Laser Marking Machine / Barcode Laser Marker 2.Laser manufactory 3.CE, CQC, ISO 4.Marking pictures/letters Barcode Laser Marking Machine / Barcode Laser Marker Components1 ... system, display, cooling system, table board, laser tube.2.Components: Laser power, laser generator, Q switch, crystal bar, Laser Beam Expander, optic system, operation system ...