航天彩虹：关于聘任公司董事会秘书的公告

Group 1 - The company announced the convening of the first meeting of the seventh board of directors on September 9, 2025 [2] - The board approved the proposal to appoint a new secretary of the board, Mr. Du Zhixi [2] - The appointment is effective from the date of the board's approval until the end of the seventh board's term [2]