Food production; food sales; food Internet sales; catering services. General items: food sales (only sales of prepackaged food); food Internet sales (only sales of prepackaged food); health food (prepackaged) sales; food import and export; sales of textiles and raw materials; sales of daily necessities; sales of daily necessities; import and export of goods; wholesale of hardware products; retail of hardware products; sales of plastic packaging containers and tools for food; Sales of plastic products; sales of building materials; wholesale of edible agricultural products; purchase of primary agricultural products; retail of edible agricultural products; sales of electronic products; sales of communication equipment; sales of mobile communication equipment; sales of knitted textiles; retail of daily household appliances; sales of household appliances; sales of household appliance spare parts; sales of daily wood products; wholesale of kitchenware, sanitary ware and daily sundries; daily glass Sales of products; sales of daily masks (non-medical); wholesale of daily necessities; retail of kitchenware, sanitary ware and daily sundries; sales of tea sets; sales of food detergents; sales of maternal and infant products; sales of labor protection products; information consulting services (excluding licensing information consulting services); retail of shoes and hats; retail of cosmetics; wholesale of cosmetics; information technology consulting services; auto parts Retail sales of automobile parts and accessories; sales of automobile decorative products; sales of machinery and equipment; sales of office supplies; sales of packaging materials and products; Internet sales (except for the sale of goods requiring licenses); leisure and sightseeing activities; sales of toys; conference and exhibition services; protection of intangible cultural heritage; and educational consulting services (excluding education and training activities involving license approval).