Infrared detection: Zhongnanhai series products adopt white rectangular anti-counterfeiting logo, which appears golden yellow and green after irradiation; When a simple infrared detector is used to illuminate the hidden anti-counterfeiting mark, the naked eye can see a very obvious and clear color luster.
Digital detection: the probe of digital detector (patented technology) is used to illuminate anti-counterfeiting marks. The digital detector displays a set of spectral passwords with multiple numbers, which are similar and unique to human fingerprints or DNA passwords, making counterfeit products have nowhere to escape.