Group 1 - Zhejiang Tianzheng Electric Co., Ltd. has obtained a patent for "an intelligent circuit breaker body and intelligent circuit breaker device," with authorization announcement number CN113506710B, applied on April 2021 [1] - China Electric Power Research Institute Co., Ltd., established in 2001, is based in Beijing and focuses on research and experimental development, with a registered capital of 3,352 million RMB. The company has invested in 26 enterprises and participated in 5,000 bidding projects, holding 58 trademark records and 5,000 patent records, along with 180 administrative licenses [1] - State Grid Corporation of China, established in 2003 and located in Beijing, operates in the electricity and heat production and supply industry, with a registered capital of 130,452 million RMB. The company has invested in 74 enterprises, participated in 5,000 bidding projects, holds 183 trademark records and 5,000 patent records, and has 45 administrative licenses [1] Group 2 - State Grid Hebei Electric Power Co., Ltd., established in 1989 and located in Shijiazhuang, focuses on electricity and heat production and supply, with a registered capital of 2,009 million RMB. The company has invested in 103 enterprises, participated in 4,353 bidding projects, holds 5,000 patent records, and has 155 administrative licenses [2] - Zhejiang Tianzheng Electric Co., Ltd., established in 1999 and located in Wenzhou, specializes in electrical machinery and equipment manufacturing, with a registered capital of 504.75 million RMB. The company has invested in 8 enterprises, participated in 1,042 bidding projects, holds 94 trademark records and 1,890 patent records, and has 78 administrative licenses [2]