Si Zhong Song

China Gezhouba Group Co., Ltd. is engaged in the contract construction of projects. It operates its major business through contract construction of projects, which include railways, roads, nuclear electricity projects, thermal power projects, wind powered electricity projects, water supply projects, sewage treatment projects and others as well as involved in the operation of expressways, the development of real estates, the operation of hydro power generation business, the production and sale of cement, as well as operation of civil explosives business and others. The company was founded on May 21, 1997 and is headquartered in Wuhan, China.

China Datang Corp. Ltd. engages in the development, investment, construction, operation, and management of electric power energy. Its business scopes include power generation, coal development, financial services, international business, coal chemical, and energy services. The company was founded on December 29, 2002 and is headquartered in Beijing, China.

China Erzhong Group Deyang Heavy Industries Co., Ltd. engages in the provision of domestic and foreign major technical equipment and infrastructure construction services. Its business includes research and development, and manufacturing of mechanical equipment; engineering design and general contracting; and business with funded operations, import and export trade, and engineering services. Its mechanical equipment includes large-scale metallurgical complete equipment, clean energy equipment, heavy petrochemical containers, and large-scale casting and forgings. Its engineering design and general contracting is involved in domestic and foreign metallurgy, mining, ports, transportation infrastructure, power transmission, and transformation engineering industries. The company was founded on December 30, 2001 and is headquartered in Deyang, China.

China Architecture Technology Consulting Co. Ltd. provides architecture services. The company is based in Beijing, China. The Chinese company is a subsidiary ultimately controlled by the Government of China.