Group 1 - The State Intellectual Property Office of China has granted a patent for "Nuclear Power Plant Auxiliary Power Source Switching Test Method, Device, and Equipment" to China General Nuclear Power Engineering Co., Ltd., China General Nuclear Group Co., Ltd., and China General Nuclear Power Corporation, with the patent announcement number CN114121317B and application date of October 2021 [1] Group 2 - China General Nuclear Power Engineering Co., Ltd. was established in 1997, located in Shenzhen, primarily engaged in civil engineering construction, with a registered capital of 4,086 million RMB. The company has invested in 7 enterprises, participated in 5,000 bidding projects, holds 12 trademark records, 3,937 patent records, and has 43 administrative licenses [1] - China General Nuclear Group Co., Ltd. was founded in 1994, also located in Shenzhen, primarily involved in electricity and heat production and supply, with a registered capital of 14,917,514.829 million RMB. The company has invested in 34 enterprises, participated in 5,000 bidding projects, holds 662 trademark records, 5,000 patent records, and has 56 administrative licenses [1] - China General Nuclear Power Corporation was established in 2014, located in Shenzhen, primarily engaged in electricity and heat production and supply, with a registered capital of 5,049,861.11 million RMB. The company has invested in 32 enterprises, participated in 433 bidding projects, holds 5,000 patent records, and has 14 administrative licenses [2]