The general business items are: Computer software development and system integration; Computer information security technology services; Purchase and sale of computer room network and information equipment; Schematic design and consulting services for the preparation, upgrading and transformation of informatization projects. (Except for the projects prohibited by the above laws, administrative regulations and decisions of the State Council, the restricted projects can only be operated after obtaining a license); Sales of household appliances; Retail of kitchenware, sanitary ware and daily necessities; Metal structure sales; Sales of metal chains and other metal products; Toy sales; Sporting goods and equipment retail. (Except for projects subject to approval in accordance with the law, independently carry out business activities in accordance with the law with a business license), the licensed business projects are: Import and export of goods; Technology import and export; Import and export agency. (For projects subject to approval in accordance with the law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval documents or licenses of relevant departments)