新安股份：董事长吴建华及董事周家海辞职

Group 1 - The chairman of Xin'an Co., Ltd. (600596), Wu Jianhua, and director Zhou Jiahai have resigned due to work changes [1] - Wu Jianhua has stepped down from his positions as chairman, director, and head of the strategic committee, while Zhou Jiahai has resigned from his role as a director and member of the nomination committee [1] - Both individuals will no longer hold any positions within the company but will continue to serve in the controlling shareholder group [1]