Core Viewpoint - Micron Brain Science (02172.HK) announced the resignation of Chang Zhaohua as non-executive director and chairman of the board due to the need to allocate more time to other business commitments [1] - Sun Qingwei also resigned as non-executive director for similar reasons [1] - Zhang Jie has been appointed as the new non-executive director and chairman of the board, while Liu Xudong has been appointed as a non-executive director [1] Summary by Categories - Management Changes - Chang Zhaohua resigned as non-executive director and chairman of the board [1] - Sun Qingwei resigned as non-executive director [1] - Zhang Jie appointed as non-executive director and chairman of the board [1] - Liu Xudong appointed as non-executive director [1]
微创脑科学(02172.HK)：常兆华辞任非执行董事及董事会主席