设计总院：选举沈国栋为公司董事长

Core Viewpoint - The company announced the resignation of its chairman, Su Xinguo, due to work-related changes, and appointed Shen Guodong as the new chairman and legal representative [1] Group 1 - Su Xinguo has applied to resign from multiple positions including chairman and committee member roles within the company [1] - The company held a meeting to approve the election of Shen Guodong as the new chairman and legal representative [1] - Shen Guodong, who is currently the general manager and party secretary, will serve as chairman until the current board's term ends [1]