Shenzhen Expressway Corporation Limited, with its subsidiaries, invests in, constructs, operates, and manages toll highways and roads, as well as other urban and transportation infrastructure in the People's Republic of China. It operates through Toll Road, Environmental Protection, and Others segments. The company provides services including recovery and solid waste management, clean energy power generation, construction and highway operation management, project development, road maintenance, construction consulting, advertising, finance leasing, property development and management, and electronic toll collection systems. It also engages in environmental protection, infrastructure construction, wind power, kitchen waste disposal, commercial factoring, environmental monitoring, agricultural science research, health and elderly care, engineering, information technology, real estate, and related activities. Incorporated in 1996, it is headquartered in Shenzhen, the People's Republic of China.