According to enterprise data, Millennium Ruijin Technology Co., Ltd. was established in 2020-1-13, and its business scope includes general items: electronic product sales; Network equipment sales; Mobile communication equipment sales; Digital video monitoring system sales; Sales of smart home consumer equipment; Information security equipment sales; Sales of building materials; Sales of household appliances; Mechanical equipment sales; Sales of new energy vehicles; Sales of daily necessities; Daily necessities sales; Retail of auto parts; Retail of hardware products; Sales of photovoltaic equipment and components; Sales of solar thermal utilization products; Internet of things application services; Industrial Internet data service; Domestic trade agent; The first kind of medical equipment rental; Virtual reality equipment manufacturing; Manufacture of special instruments for teaching; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization; Intelligent control system integration; Information system integration service; Application system integration service in artificial intelligence industry; Design and construction services of security technology prevention system; Municipal facilities management; Landscaping engineering construction; Fire technical services; Engineering management services; Sales of chemical products (excluding licensed chemical products). (Except for projects that must be approved according to law, business activities can be independently carried out according to law with business licenses) Licensed projects: electrical installation services; Forest seed production and management; Design of intelligent building system; Building engineering construction. (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. )