Where can Tianqidan be tested for authenticity?

Tear off the safety label. According to relevant public information, there will be an anti-counterfeiting label on the lower right corner of the back of Qidan box, and there will be a silver coating on the anti-counterfeiting label. When the silver coating is scraped off slowly, Qi Dan's security code will appear. After you find the security code, call the official phone number of the brand and follow the prompts to enter the security code, so you can easily find out the authenticity of Tianqidan.