General items: Unit logistics management services; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization; Research and development of mechanical equipment; Electronic product sales; Retail of computer software and hardware and auxiliary equipment; Office supplies sales; Toy sales; Retail of hardware products; Communication equipment sales; Sales of communication equipment; Mechanical equipment sales; Sales of rubber products; Camera and equipment sales; Sales of household appliances; Kitchenware, sanitary ware and daily necessities wholesale; Cosmetics retail; Clothing retail; Footwear and shoes retail; Watch sales; Glasses sales (excluding contact lenses); Luggage sales; Furniture sales; Sales of daily necessities; Outdoor products sales; Retail of sporting goods and equipment; Internet sales (except the sale of goods that need permission); Import and export of goods; Import and export agent. (Except for projects subject to approval according to law, business activities shall be independently carried out according to law with the business license) Licensed projects: Category I value-added telecommunications services; The second kind of value-added telecommunications services; Internet information service; Online data processing and transaction processing business (business e-commerce). (For projects subject to approval according to law, business activities can only be carried out after the approval of relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments. )