Tong Zhou Wang

Powerchina Road Bridge Group Co., Ltd. constructs roads, bridges, tunnels, and infrastructure projects. The private company is based in Beijing, China. The Chinese company is ultimately controlled by the Government of China.

China Nonferrous Metal Mining (Group) Co. Ltd. engages in nonferrous metal mining. Its activities include the development of nonferrous metal mineral resources, construction engineering, and the relevant trade and technological services. The company was founded in 1983 and is headquartered in Beijing, China.

China Communications Construction Group Co., Ltd. engages in housing construction and real estate development. Its business activities include infrastructure construction and design, dredging, heavy machinery manufacturing, and investment. The company was founded on December 8, 2005 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.