Fiber laser marking machine is the most accepted technology among the laser marking systems due to its versatility, minimal maintenance and nil requirement of consumables. Unlike Co2, it uses optical fiber doped with rare earth element as a laser source and can mark with much more intensity comparatively. It provides best industrial solution for product identification and traceability. When 20w fiber laser marking machine is used for metal, it is used to mark barcodes, serial numbers, QR codes, personal details ,graphics etc on materials like auto components, steel labels, etc. It is also most accepted Pen engraving machine.