Zhi Hua Han

China National Chemical Engineering Group Corp. Ltd. engages in the operation and management of engineering construction projects. It provides contracting services for construction, infrastructure, and overseas projects; and chemical, petroleum, medical, electric power, and coal industries. Its business activities include engineering consultation, survey, design, construction, and project management and services; solid waste and environmental treatment; manufacture and installation of pipelines, routes, and equipment; investment and management of industrial installation and infrastructures; and financial leasing of machinery equipment. The company was founded in 1953 and is headquartered in Beijing, China.

China Energy Conservation & Environmental Protection Group Co., Ltd. engages in the provision of environmental protection and energy conservation services. Its business activities include solid waste and water treatment, petrochemical and plastic product waste resource utilization, soil remediation, and solar and wind power projects. The company was founded on June 22, 1989 and is headquartered in Beijing, China.