According to enterprise data, Beijing Shunyi Municipal Holding Group Co., Ltd. was established on 20 15- 12-23, and its business scope includes investment management; Asset management; Enterprise management; Information consultation (excluding intermediary services); Engineering management services; General contracting of construction; Sewage treatment; Technical inspection (excluding certification and accreditation); Parking lot management; Solar power generation; Selling electricity; Energy-saving technology promotion service; Computer information system integration service; Data processing (except for bank card centers and cloud computing data centers whose PUE value is above 1.5 in data processing); Maintenance and lease of mechanical equipment; Natural gas heating service; Domestic call center services in the second type of value-added telecommunications services; Cleaning and collecting municipal solid waste (excluding waste recycling); Engineering design; Road freight transport; Drinking water supply service; Gas supply. (Market entities independently choose business projects and carry out business activities according to law; Urban domestic garbage collection (excluding waste materials recycling), drinking water supply service, domestic call center business, gas supply, engineering design, road freight transportation and projects subject to approval according to law in the second kind of value-added telecommunications business, after approval by the relevant departments, carry out business activities according to the approved contents; Shall not engage in business activities of projects prohibited or restricted by the industrial policies of the state and this Municipality. )