1. Windowed security thread paper
2. Engraving plate pattern
3. Rainbow printing
4. Laser holographic positioning pyrograph printing
5. Special 2D code
6. Scratch-off type digital anti-counterfeiting
7. Special bar code
8. Product serial number
9. Daylight fluorescent red anti-counterfeiting ink
10. “OVI” ink
11. Sunlight fluorescent yellow anti-counterfeiting ink