中煤能源：副总裁离任

Group 1 - The core point of the article is the resignation of Zhang Guoxiu, the Vice President of China Coal Energy, due to personal reasons, effective March 20, 2026 [1] Group 2 - The announcement was made public on March 20, indicating a formal communication from the company's board of directors [1] - The resignation highlights potential changes in the company's leadership structure [1] - The reason for the resignation is stated as personal reasons, which may impact investor sentiment [1]