云铝股份：公司副总经理宁德纲离任

Group 1 - Company Yun Aluminum announced the resignation of Mr. Ning Degang from the position of Vice General Manager due to work changes [1] Group 2 - In February, China's AI usage surpassed that of the United States for the first time, with four major models ranking among the top five globally [1] - The demand for domestic computing power in China is experiencing exponential growth [1]