The origin of the participating products is in China, and all kinds of enterprises producing, processing, manufacturing and selling special products in China have independent legal personality. The participating enterprises have relevant licenses to produce and sell special products, and the products have registered trademarks, clear labels and completed relevant legal procedures. The product packaging meets the national requirements, and the participating products are of good quality, with a certain production scale and market share. In the past, there have been no accidents such as safety and hygiene, and the enterprise has a good reputation.