Technology import and export; Food sales (only selling pre packaged food); Wholesale of kitchenware, sanitary ware, and daily necessities; Sales of daily necessities; Research and development of household appliances; Sales of household appliance spare parts; Sales of household appliances; Sales of food detergent; Sales of daily chemical products; Sales of household items; Wholesale of clothing and apparel; Sales of clothing accessories; Clothing and apparel retail; Luggage sales; Wholesale of sports goods and equipment; Retail of sports goods and equipment; Sales of coal and its products; Domestic trade agency; Sales of building materials; Sales of building decoration materials; Sales of cement products; Sales of rubber products; Sales of lubricating oil; Wholesale of aquatic products; Retail of aquatic products; Sales of metal materials; Sales of chemical products (excluding licensed chemical products); Retail of hardware products; Research and development of hardware products; Wholesale of hardware products; Sales of communication equipment; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Sales of labor protection equipment; Needle textile sales; Cotton and linen sales; Sales of plastic products; Fertilizer sales; Sales of building waterproofing membrane products; Sales of non-metallic minerals and products; Sales of petroleum products (excluding hazardous chemicals); Sales of beans and potatoes; Wholesale of edible agricultural products; Retail of edible agricultural products; Sales of daily necessities; Wholesale of daily necessities; Sales of office supplies; Wholesale of stationery supplies; Furniture sales; Sales of integrated circuit chips and products; Sales of electric accessories for new energy vehicles; Sales of new energy vehicle battery swapping facilities; Sales of photovoltaic equipment and components; Battery sales; Sales of intelligent instruments and meters; Sales of supply instruments and meters; Sales of instruments and meters; Electronic product sales; Wholesale of arts and crafts and collectibles (excluding ivory and its products); Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Business agency services; Sales of Class II medical devices; Sales of Class I medical devices; Sales of agricultural and sideline products; Subsea pipeline transportation services; Land international freight forwarding agent; Air international freight forwarding agent; International freight forwarding by sea; Loading and unloading handling; Domestic freight forwarding agent; Conference and exhibition services; Consulting and planning services; Corporate image planning; Marketing planning; International freight forwarding agent; Engaged in international container ship and general cargo ship transportation; Rental services for storage equipment; Operation of road freight transport stations; Low temperature storage (excluding projects requiring approval such as hazardous chemicals); Non vessel operating common carrier (NVOCC) business. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law) Food sales; Sales of satellite television broadcasting ground receiving facilities; Third class medical device operation; Inter provincial ordinary cargo ship transportation and intra provincial ship transportation. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments. )