Permitted projects: construction engineering construction; construction labor subcontracting. General projects: information technology consulting services; software outsourcing services; computer systems services; information systems integration services; software development; network and information security software development; technology services, technology development, technology consulting, technology exchange, technology transfer, technology promotion Technology exchange, technology transfer, technology promotion; network technology services; Internet of things technology services; information system operation and maintenance services; Internet of things technology research and development; software sales; network equipment sales; foreign contract engineering; engineering management services; general machinery and equipment installation services; nuclear power equipment sets and engineering technology research and development.