General projects: technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; manufacturing of special instruments for navigation, surveying and mapping, meteorology and oceanography; manufacturing of servo control mechanisms; manufacturing of special electronic equipment; manufacturing of mechanical and electrical equipment; manufacturing of navigation terminals; manufacturing of industrial automatic control system devices; manufacturing of industrial control computers and systems; manufacturing of marine engineering equipment; manufacturing of intelligent unmanned aerial vehicles; manufacturing of computer software, hardware and peripheral equipment; manufacturing of virtual reality equipment; manufacturing of instruments and meters; manufacturing of electronic components; manufacturing of teaching models and teaching aids; and research and development of mechanical equipment