Group 1 - Huaneng International Power Co., Ltd. has obtained a patent for a method and system for calculating the optimal irradiation time of reactor isotopes, with the authorization announcement number CN120030783B and an application date of February 2025 [1] - Huaneng International Power Co., Ltd. was established in 1994 and is located in Baoding City, primarily engaged in electricity and heat production and supply, with a registered capital of 1,569,809.3359 million RMB [1] - The company has made investments in 210 enterprises and participated in 4,590 bidding projects, holding 46 trademark records and 1,643 patent records, along with 27 administrative licenses [1] Group 2 - Huaneng Nuclear Technology Research Institute Co., Ltd. was established in 2020 and is located in Shanghai, focusing on technology promotion and application services, with a registered capital of 30,000 million RMB [1] - The research institute has participated in 307 bidding projects and holds 871 patent records, in addition to 3 administrative licenses [1]