南山铝业：10月份累计回购公司股份11922100股

Group 1 - The core point of the article is that Nanshan Aluminum announced the repurchase of its shares, totaling 11,922,100 shares, which represents approximately 0.10% of the company's total share capital [2] Group 2 - The share repurchase was conducted through centralized bidding trading [2] - The announcement was made on the evening of November 4 [2] - The repurchase is part of the company's strategy to enhance shareholder value [2]