常铝股份：11月18日召开董事会会议

Group 1 - The core point of the article is that Chang Aluminum Co., Ltd. announced the convening of its eighth board meeting to discuss adjustments to the board size and amendments to the company's articles of association [1] - For the first half of 2025, the revenue composition of Chang Aluminum is 87.57% from industrial operations and 12.43% from medical clean products [1] - As of the report date, the market capitalization of Chang Aluminum is 5.8 billion yuan [1]