Operating permits include project: Food sales; The construction of engineering construction; The second type of value-added telecommunication business (subject to approval in accordance with the project, approved by the relevant departments to rear can operate, specific items will be subject to the results of examination and approval) general projects: Technical services, technology development, technology consultation, technology exchange, technology transfer, technology popularization; Computer software and hardware and auxiliary equipment retail; Computer software and hardware and auxiliary equipment wholesale; Computer and office equipment maintenance; Rental service (not including licensing rental service); Convention and exhibition services; Special chemical products (excluding hazardous chemicals); Information system operation maintenance services; Office equipment sales; The first kind of medical equipment sales; The second category of medical equipment sales; Rubber products sales; Plastic products sales; General merchandise sales; Safety monitoring systems; Digital video monitoring system of marketing; Office equipment supplies sales; Special teaching equipment sales; Slide and projection equipment sales; Cameras and equipment sales; Camera and video production services; Intelligent unmanned aerial vehicles sales; Surgical masks retail; Surgical masks wholesale; Medical personnel protective equipment wholesale; Medical personnel protective equipment retail; Furniture sales; Special environmental protection equipment sales; Paper products sales; Sporting goods and equipment retail; Sporting goods and equipment wholesale; Machinery and equipment sales; Kitchen health and daily groceries wholesale; Personal hygiene supplies sales; Fire equipment sales; The teaching model and teaching aid sales; Stationery retail; Stationery wholesale; Needle textile and raw materials sales; Arts and crafts and etiquette supplies sales (except for ivory and its products); Electronic products sales; Hardware products retail; Hardware products wholesale; Mechanical parts, spare parts sales; Mechanical electrical equipment sales; Wholesale electronic components; Building materials sales; Building decoration materials sales; Metal materials sales; Communications equipment sales; Electronic special equipment sales; Electronic components retail; Office services; Domestic service; Import and export agents; Technology import and export; Import and export of goods (except must be approved in accordance with the project, with the business license shall operate independently according to law)