Technical services, technical development, technical consultation, technical exchanges, technology transfer, technology promotion; retail of computer software, hardware, and auxiliary equipment; big data services; software development; information technology consulting services; information system operation and maintenance services; computer system services; data processing and storage support services; information advisory services (excluding licensed information advisory services); network technology services; digital technology services; artificial intelligence application software development; import and export of goods; import and export of technologies. (Except for projects that must be approved according to law, independent business activities are carried out according to law with a business license.)