There are four signs: enterprise food production sign (Figure 1), pollution-free agricultural products sign (Figure 2), green food sign (Figure 3) and organic food sign (Figure 4).

Supplement:

1. The Regulations of the People's Republic of China on the Administration of Production Licenses for Industrial Products stipulates that "no enterprise may produce products listed in the catalogue without a production license. No unit or individual may sell or use products listed in the catalogue without a production license in business activities. "

2. Pollution-free agricultural products refer to agricultural products whose toxic and harmful substances are controlled within the safe allowable range and conform to the Standards for Pollution-free Agricultural Products, or agricultural products which are mainly made of this material and processed according to the operating rules of pollution-free agricultural products production technology.

3. Green food refers to all edible agricultural and sideline products that are safe, high-quality and nutritious, are produced and processed by applying the operating rules of pollution-free production in an ecological environment with no pollution in air, soil and water, and are certified by the green food development agency and allowed to use the green food mark.

4. Organic food is also called ecological or biological food. Organic food is a relatively unified formulation of pollution-free natural food in the world. Organic food usually comes from organic agricultural production system and is produced and processed according to international organic agricultural production requirements and corresponding standards.