Licensed project: Class III medical device operation; Import and export of goods; Technology import and export (projects that require approval according to law can only be carried out after being approved by relevant departments, and specific business projects are subject to approval documents or licenses from relevant departments) General projects: Sales of Class I medical devices; Sales of Class II medical devices; Sales of electronic products; Sales of mechanical equipment; Wholesale of stationery supplies; Retail of stationery supplies; Wholesale of sports goods and equipment; Retail of sports goods and equipment; Sales of arts and crafts and ceremonial items (excluding ivory and its products); Sales of daily necessities; Sales of fire-fighting equipment; Sales of office supplies; Sales of daily necessities; Sales of disinfectants (excluding hazardous chemicals); Sales of labor protection equipment; Technical services, development, consultation, exchange, transfer, and promotion; Information consulting services (excluding licensed information consulting services); Conference and exhibition services; Installation services for general mechanical equipment; Health consulting services (excluding diagnosis and treatment services); Special equipment repair; Rental of mechanical equipment; Medical equipment leasing; Marketing planning; Enterprise management consulting (except for projects that require approval according to law, independently carry out business activities with a business license).