Advantages of fiber laser marking machine 20w Wide range: can be used on many materials like metal, plastic, leather, alloy etc. Can be used in many industries like jewelry engraving, medical devices, phone case engraving, hardware industry, stainless steel tableware, electron components marking etc. Permanent marking: laser marking is a permanent marking. It won¡¡¥t fade, run or become less discernable as time passes like traditional marking including ink jet, hand engraving, dot-peen marking. Long service time: fiber laser model has a over 100, 000 hours working life. Almost no maintenance during this period. Easy to operate: support almost any windows-based software like coreldraw, autocad, photoshop. No need to adjust q-switch easier than yag diode marking machine. High precision: 0.0025mm re-position accuracy. Minimum line width 0.01mm. Non-contact process: won¡¡¥t cause mechanical extrusion or mechanical stress to materials. Wooden box