the business scope includes general projects: software development; artificial intelligence application software development; industrial automatic control system device sales; hardware product retail; power electronic components sales; parking lot services; information system integration services; intelligent storage equipment sales; computer software and hardware and Wholesale of auxiliary equipment; sales of security equipment; sales of doors and windows; sales of building decoration materials; sales of daily necessities; sales of metal materials; sales of commercial encryption products; design and construction services of security technology protection systems; general mechanical equipment installation services; sales of metal products; sales of audio equipment. (Except for the projects that need to be approved according to law, the business activities can be carried out independently according to the business license) Permitted projects: design of intelligent building systems; construction of construction projects. (For projects subject to approval according to law, business activities can only be carried out after the approval of the relevant departments. the specific business projects are subject to the approval documents or licenses of the relevant departments. )