According to enterprise data, Inner Mongolia Dayun Zhitong Technology Co., Ltd. was established on 20 13-07- 16, and its business scope includes general projects: municipal facilities management; Leasing services (excluding franchised leasing services); Engineering management services; Network technical services; Internet security services; Internet data service; Data processing and storage support services; Information system operation and maintenance services; Information technology consulting services; Design and construction services of security technology prevention system; Internet of things technical services; Internet of things application services; Computer system services; Software development; Software sales; Retail of computer software and hardware and auxiliary equipment; Network equipment sales; Information security equipment sales; Internet of things equipment sales; Digital video monitoring system sales; Cloud computing equipment technical services; Electronic product sales; Communication equipment sales; Terminal test equipment sales; Internet sales (except for the sale of goods that need permission); Computer and office equipment maintenance; Professional maintenance of communication transmission equipment; Professional maintenance of communication switching equipment; Advertising release. (Except for projects subject to approval according to law, business activities shall be independently carried out according to law with business licenses) Permitted projects: construction projects; Installation, maintenance and testing of power transmission, power supply and power reception facilities; The second kind of value-added telecommunications services; Internet information service. (Projects subject to approval according to law can only be operated after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments. )