航宇微换帅，杨涛当选新任董事长

Group 1 - The core point of the announcement is the election of Mr. Yang Tao as the chairman of the sixth board of directors of the company, effective immediately upon approval by the board [2] - Mr. Yang Tao has a diverse background in banking and investment management, having worked at China Construction Bank and currently holding multiple leadership positions in various companies [2] - The company confirmed that Mr. Yang does not hold any shares in the company and has no related party relationships with major shareholders or other board members [3] Group 2 - Mr. Yang's qualifications meet the requirements set forth by the Company Law and the company's articles of association [3] - The announcement indicates that Mr. Yang will also serve as the chairman of the board's strategic development committee and as a member of the audit committee [2] - The previous acting chairman, Mr. Yan Zhiyu, will no longer perform the duties of the chairman following this election [2]