南山铝业：南山集团累计质押其所持有的公司股份约4.21亿股，怡力电业累计质押其所持有的公司股份约8.86亿股

Group 1 - The controlling shareholder, Nanshan Group, holds approximately 2.404 billion shares of the company, accounting for about 20.7% of the total share capital [1] - Its concerted actor, Yili Electric, holds approximately 2.581 billion shares, representing about 22.22% of the total share capital [1] - After the completion of the share pledge extension, Nanshan Group has pledged a total of approximately 421 million shares, which is about 3.62% of the total share capital and 17.5% of the shares held by Nanshan Group [1] Group 2 - Yili Electric has pledged approximately 886 million shares, accounting for about 7.63% of the total share capital and 34.33% of the shares held by Yili Electric [1]