The general business projects include: Mobile internet software development and technical services; Research, development, sales, and on-site installation of wireless network technology; Design and sales of conference systems and broadcasting systems; Computer technology development and technical services; Software development; Research and development of electronic, communication, and automatic control technologies; Home installation and sales of office equipment; VR technology research and development and sales; VR content design; Onsite installation of electronic equipment, electromechanical equipment, building air conditioning equipment, and ventilation equipment systems; Computer network system engineering design; Information system integration; Engaging in advertising business; Sales of network equipment and electronic products; Product information consulting services; Domestic trade. (Except for projects that require approval before registration as required by laws, administrative regulations, and decisions of the State Council), the licensed business projects are: