突发公告：49岁上市公司董事长被采取刑事强制措施，妻子紧急代为履职

Core Viewpoint - The company has appointed Wu Xinyan to act as the chairman and legal representative due to the absence of the current chairman Huang Guorong, ensuring continuity in management and governance [1][4]. Company Management Changes - An emergency board meeting was held on October 20, where the board unanimously agreed to have Wu Xinyan assume the responsibilities of the chairman and legal representative [1]. - Huang Guorong, the current chairman, has a background in chemical research and management, while Wu Xinyan has experience in procurement and investment management [3]. Company Performance - As of the first half of 2025, the company reported a revenue of 305 million yuan, representing a year-on-year increase of 23.08% [4]. - The net profit attributable to shareholders was 47.77 million yuan, showing a year-on-year decrease of 11.77% [4]. Company Operations - The company maintains a stable management system and mature governance structure, with ongoing normal production and operations [4]. - The management team is committed to enhancing operational management and will continue to monitor developments related to the recent changes [4].