Core Points - Zhang Enli, a non-independent director and vice president of the company, has submitted his resignation due to personal reasons [1][2] - His resignation will not affect the minimum number of board members or the normal operation of the board [1] - Zhang Enli holds 25,000 shares, representing 0.0022% of the company's total share capital [1][2] - The board expresses gratitude for Zhang Enli's contributions during his tenure [2] Summary by Sections - **Resignation Details** - Zhang Enli has resigned from multiple positions including director, vice president, and committee memberships [1] - The resignation is effective immediately upon delivery to the board [1] - **Impact on Company Operations** - The resignation does not lead to a decrease in the legal minimum number of board members [1] - It will not adversely affect the company's daily operations or future development [1] - **Shareholding Information** - Zhang Enli's shareholding is 25,000 shares, which is a minor percentage of the total shares [1][2] - He will comply with relevant regulations regarding shareholding changes post-resignation [2] - **Acknowledgment of Contributions** - The board has expressed sincere gratitude for Zhang Enli's contributions to the company's development [2]

Group 1 - The company announced the resignation of external director Mr. Wang Guangji due to compliance with the "Management Measures for Part-time Positions of Academicians of the Chinese Academy of Engineering" [1] - Mr. Wang's resignation will not result in the board of directors falling below the legal minimum number of members and will not affect the normal operations of the company [1] - The company will promptly elect a new director in accordance with its articles of association and relevant regulations [1] Group 2 - The company commissioned a credit rating agency, United Credit Ratings Co., Ltd., to conduct a comprehensive analysis of its credit status [4] - The credit rating agency assigned the company a long-term credit rating of AAA with a stable outlook, valid from July 9, 2025, to July 8, 2026 [4]