According to the enterprise data, Tangshan Haigang City Public Utilities Operation Management Co., Ltd. was established on July 9, 2022, and its business scope includes general projects: public utilities management services; Municipal facilities management; Management of flood control and waterlogging elimination facilities; Sewage treatment and its recycling; Information consulting services (excluding licensed information consulting services); Old-age service; Property management; Advertising design and agency; Advertising; Information technology consulting services; Data processing and storage support services; Information system integration service; Conference and exhibition services; Non-residential real estate leasing; Mechanical equipment leasing; Landscaping engineering construction; Urban greening management; Tree planting management; Forest pest control services; Network technical services; Domestic trade agent; Loading and unloading; Retail of computer software and hardware and auxiliary equipment; Sales of communication equipment; Sales of traffic and public management signs; Sales of building materials; Wholesale of hardware products; Retail of hardware products; Fire equipment sales; Sanitary ware sales; Office supplies sales. (except for projects that need to be approved according to law, business activities can be independently carried out according to law with business licenses) Licensed projects: Category II value-added telecommunications services; Urban domestic waste management services; Urban construction waste disposal (removal); Subcontracting of construction services; Road freight transport (excluding dangerous goods). (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. )