Do all cigarette cases have verification codes?

Generally, real cigarettes will have a verification code, which can verify the identification.

By scanning the QR code, enter the product verification website, and check the authenticity of the product by combining the digital verification code visible in Kaifeng, or check the query record of the product QR code on the verification website to verify the authenticity of the product.

Domestic cigarette bar codes follow the rules of EN- 13. The top three are countries, 690= Chinese mainland; Four to seven are industries, 1028= tobacco; Eight to ten are enterprises, and 058 and 936 are bar code segments of Shaanxi Zhongyan; Eleven and twelve are products, for example, 8 1 after 058 is allocated to the small box of Lucky Good Cat without upgrade, and 82 is allocated to the box of Lucky Good Cat without upgrade; The last digit is the verification code, and the value = 10- (sum of odd numbers+sum of even numbers X3) takes single digits.