Group 1 - The core point of the article highlights that China Three Gorges Energy (600905) has recently obtained a utility model patent for a "Ground Insulation Resistance Detection Device," with the patent application number CN202422277234.2, authorized on August 29, 2025 [1] - The patent involves a detection device that includes a detection base and detection mechanism, which can quickly measure the ground insulation resistance of DC lines while powered [1] - In 2023, the company received 130 new patent authorizations, a decrease of 15.58% compared to the same period last year [1] Group 2 - In 2024, the company invested 42.5282 million yuan in research and development, representing a year-on-year increase of 146.79% [1] - China Three Gorges New Energy Group has made investments in 522 enterprises and participated in 4,735 bidding projects [2] - The company holds 837 patent information records, 3 trademark records, and 65 copyright records, along with 9 administrative licenses [2]