1. China Huaneng Group Co., Ltd.: China Huaneng Group Co., Ltd. was established in 1985 and is an important state-owned backbone enterprise approved by the State Council with a registered capital of 34.9 billion yuan. Its main business is electric power development, investment and construction.
2. China Datang Group Co., Ltd.: Established in 2002, China Datang Group Co., Ltd. is a state-owned super-large energy enterprise directly managed by the central government with a registered capital of 37 billion yuan. Its main business covers six major sectors, including electricity, coal and finance.
3. China Huadian Group Co., Ltd.: Founded in 2002, China Huadian Group Co., Ltd. is a wholly state-owned power generation enterprise established by the reform of the national power system, and belongs to a super-large central enterprise supervised by the State-owned Assets Supervision and Administration Commission of the State Council.
4. National Energy Investment Group Co., Ltd.: Established on 20 17, National Energy Investment Group Co., Ltd. was formed by the merger and reorganization of China Guodian Corporation and Shenhua Group Co., Ltd. It is an important state-owned backbone enterprise directly under the central government and a pilot enterprise for the reform of state-owned capital investment companies.