General merchandise sales; Sales of communication equipment; Sales of hairdressing accessories; Internet sales (except for the sale of goods that need to be licensed); Sales of instruments and meters: Sales of luggage; Sales of household appliances; Sales of electronic products; Software sales: Clothing retail: Shoes and hats retail; Retail of electronic components; Jewelry retail; Retail of computer software and hardware and auxiliary equipment; Import and export of goods; Technology import and export: Technology service, technology development, technology consultation, technology exchange, technology transfer, technology promotion; Enterprise management consulting; Software development; Information system integration services; Information technology consulting services; Data processing and storage support services; Information system operation and maintenance service; Design and construction services of safety technology protection system: Conference and exhibition services; Information consulting services (excluding licensing information consulting services); Sales agent; Import and export agent; Advertising design and agency; Advertising production; Graphic Artist Designer; Mechanical equipment leasing