1. Anti-counterfeiting logo: you can carefully check the product packaging or the product itself to find the logo with special texture, light efficiency, anti-counterfeiting chip and other characteristics. These signs are usually used to prevent the appearance of fake and shoddy products or pirated products.

2. Anti-counterfeiting code: Chen Guang's anti-counterfeiting code is usually located on the product packaging, such as pencil case, pen cover, packaging bag, etc. Some products may also mark anti-counterfeiting codes on the product body, such as pen body and seal. Anti-counterfeiting codes can take different forms, such as bar code, two-dimensional code or digital sequence. , usually composed of a string of numbers or letters, is sexual. You can enter the anti-counterfeiting code through the anti-counterfeiting inquiry website or mobile phone application provided by Chen Guang for verification.

I hope the above information is helpful to you.