... auto coding and serial number, etc. Automation marking process, no touch, no polluted, lower running cost ... mRepeat frequency: 20kHzMarking scope: 60mmX60mm and 100mmX100mm (optional)Marking contents: character, symbol, logo, barcode, two-dimension ... (optional)Information memory: absolutenessCharacter height: absoluteness within marking scopeLaser deflexion system: high speed scannerControl system: ...