中国国航：董事长变更为刘铁祥

Core Points - China National Airlines announced the resignation of Ma Chongxian from the positions of executive director and chairman of the board, effective immediately [1] - Liu Tiexiang has been elected as the new chairman of the company and will also serve as the director of the board's strategy and investment committee, nomination committee, and aviation safety committee [1] Company Changes - Ma Chongxian's resignation includes multiple roles within the company, indicating a significant leadership change [1] - The election of Liu Tiexiang marks a new leadership direction for the company, consolidating several key roles under his position [1]