1. China's three major nuclear power groups refer to three enterprises engaged in the research and application of nuclear power technology in China, namely National Nuclear Power Technology Corporation, China General Nuclear Power Group Co., Ltd. and China National Nuclear Corporation.

2. Business scope of National Nuclear Power Technology Corporation: third-generation nuclear power technology, large-scale advanced pressurized water reactor nuclear power plant company nature: an important state-owned backbone enterprise managed by the central government company slogan: advocating harmony, honesty, sincerity and creativity 2. China General Nuclear Power Group Co., Ltd. Scope of business: nature of nuclear power company: slogan of central enterprise company: make good use of natural energy 3. China National Nuclear Corporation's business scope: nuclear power, nuclear fuel and nuclear application company nature: super-large state-owned wholly-owned enterprise company. Approved by the State Council, it is a limited liability company established by the State Council, China National Nuclear Corporation, China Power Investment Corporation, China Guangdong Nuclear Power Group Co., Ltd. and China Technology Import and Export Corporation.

3. Authorized by the State Council, it signed contracts with foreign countries on behalf of the country, accepted advanced third-generation nuclear power technology, implemented relevant engineering design and project management, and formed the main body of China nuclear power technology brands through digestion and absorption of innovation. It is the main carrier and R&D platform for the third generation nuclear power technology introduction, engineering construction and independent development.