China Environmental Technology Holdings Limited, an investment holding company, provides wastewater treatment plants construction and operation services in the People's Republic of China. The company operates through Wastewater Treatment; Healthcare; and Energy Management segments. It is involved in the development of water purification technology; and trading of wastewater treatment equipment, facilities, and machineries. The company also develops environmental protection related projects; and provides environmental protection technology, and equipment system integration, as well as offers environmental consultancy and project technical services. In addition, it develops medical information systems and medical technology; and provides healthcare management consulting services and related products. Further, the company engages in electricity trading, power system operation, and management services; and provision of power generation, transmission, and supply business. China Environmental Technology Holdings Limited was founded in 1989 and is headquartered in Kowloon, Hong Kong.