Manufacturing of electronic (gas) physical equipment and other electronic equipment; Sales of electronic products; Wholesale of computer hardware and software and auxiliary equipment; Retail of computer hardware and software and auxiliary equipment; Technology import and export; Import and export of goods; Domestic trade agency; Internet sales (except for the sale of goods that require a license); R&D of machinery and equipment; Technical services, technology development, technical consultation, technical exchanges, technology transfer, technology promotion. (Except for projects subject to approval in accordance with the law, independently carry out business activities with a business license in accordance with the law. )