徐卫明，解除留置！

Core Points - The chairman and general manager of GuoDa Special Materials, Xu Weiming, has had his detention measures lifted, allowing him to resume his duties [1] - The company confirmed that its operational control remains unchanged despite the previous detention notice issued on October 15 [1] - GuoDa Special Materials maintains a robust corporate governance structure and internal control system, ensuring normal business operations [1] Financial Summary - As of the market close on October 17, GuoDa Special Materials' stock price was 24.39 yuan per share, with a total market capitalization of 6.841 billion yuan [2]