Medical equipment, education information technology equipment software development and hardware sales, VR (virtual reality) technology software and hardware sales, computer software and hardware, office equipment, multi-body equipment, instruments and meters, electronics, security equipment, experiments Sales of room equipment, stationery and sports supplies; Design, sales, and installation of campus TV station equipment, recording and classroom equipment, library equipment, and reading room equipment; Computer information system integration and services; Technical development of remote network education systems; Building intelligent engineering Design, construction and technical services of network engineering, communication engineering, audio and video engineering, lighting engineering, decoration engineering, security monitoring engineering, environmental protection engineering, hydropower engineering, stadium construction engineering, garden greening engineering; Domestic trade (excluding franchise, Monopoly, exclusively controlled goods); Operating import and export business (excluding restricted items) ^ manufacturing of education information equipment hardware; Manufacturing of VR hardware equipment