徐卫明，解除留置！

Core Viewpoint - The article discusses the recent developments regarding the chairman and general manager of GuoDa Special Materials, Xu Weiming, whose detention measures have been lifted, allowing him to resume his duties without affecting the company's control or operations [2]. Group 1 - On October 17, GuoDa Special Materials announced that the detention measures against Xu Weiming have been lifted, enabling him to perform his responsibilities as chairman and general manager normally [2]. - The company had previously disclosed on October 15 that Xu Weiming was subject to detention measures as per the notice from the Suzhou Wuzhong District Supervisory Committee [2]. - As of the announcement date, the company's control structure remains unchanged, and its daily operations are being managed by the executive team, with all other directors and senior management performing their duties normally [2]. Group 2 - GuoDa Special Materials has a robust corporate governance structure and internal control system, ensuring that all operational management tasks are supported by clear institutional processes [2]. - The company's daily operations and business activities are progressing steadily, indicating stability despite the recent events [2]. - As of the market close on October 17, the stock price of GuoDa Special Materials was 24.39 yuan per share, with a total market capitalization of 6.841 billion yuan [2].