How many branches does CNNC 23 have?

Nine. According to the website of China Nuclear Construction, as of June 6, 2023, CNNC 23 has nine branches, namely CNNC 23 Nuclear Industry Co., Ltd., CNNC 23 Nuclear Technology Application Co., Ltd., CNNC 23 Nuclear Engineering Co., Ltd., CNNC 23 Nuclear Equipment Co., Ltd., CNNC 23 Nuclear Fuel Co., Ltd., CNNC 23 Environmental Protection Engineering Co., Ltd., CNNC 23 Engineering Design and Research Institute Co., Ltd., and CNNC 23 is a subsidiary of China National Nuclear Corporation.