The two licenses are valid for 5 years and 3 years.

The pollution-free agricultural products and green food marks are quality certification marks officially registered by the pollution-free agricultural products working organization and the green food working organization in the Trademark Office of the State Administration for Industry and Commerce. The exclusive right to use the trademark is governed by the "People's Republic of China" *Protected by the Trademark Law of the People’s Republic of China.

After pollution-free agricultural products and green food pass certification, the validity periods of their marks are 5 years and 3 years respectively. The time is calculated from the day when the certificate is obtained through certification. After the expiration, the production enterprise must re-apply for certification. , continue to use the logo only after it is approved.