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, "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 obtaining 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 a safe range and meet the standards of pollution-free agricultural products, or agricultural products with pollution-free agricultural products as the main raw materials and processed according to the technical operation procedures of pollution-free agricultural products.

3. Green food refers to all edible agricultural and sideline products that follow the principles of sustainable development and organic agriculture, are safe, high-quality and nutritious, and are certified by the green food development agency, and are allowed to use the green food mark in the pollution-free ecological environment of air, soil and water.

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.