广大特材：实控人之一暨董事长兼总经理徐卫明被实施留置措施

Group 1 - The company Guangda Special Materials (688186) announced on October 14 that it received a "Case Notification" and "Detention Notification" from the Wu Zhong District Supervisory Committee in Suzhou [1] - The company's actual controller, who is also the chairman and general manager, Xu Weiming, has been subjected to detention measures [1]