| Material Type | Recommended Laser Machine | CO₂ | UV | Fiber Laser | Key Remark |
|---|---|---|---|---|---|
| Cork | CO₂ Laser | ✅ Perfect | ✅ Applicable | ❌ No | Clear engraving, natural texture retention |
| Hard Wood | High-power CO₂ Laser | ✅ Mandatory | ⚠️ Low efficiency | ❌ No | High power required for deep & sharp marking |
| Organic Surface | CO₂ Laser | ✅ Perfect | ⚠️ High cost | ❌ No | Non-damage marking, fresh keeping guaranteed |
Laser marking uses a focused beam of light to create permanent marks directly on packaging. It's commonly used for: Expiration dates, Batch & lot numbers, Barcodes & QR codes, Product information.