云南铜业对凉山矿业的持股比例提升至60%

Group 1 - The core point of the article is that Yunnan Copper Co., Ltd. has received approval from the China Securities Regulatory Commission for the acquisition of a 40% stake in Liangshan Mining, increasing its ownership from 20% to 60% and achieving effective control over the company [1][2] - The transaction involved a capital raise of 1.5 billion yuan, which is aimed at optimizing the asset structure of Yunnan Copper and enhancing its core competitiveness [1][2] - This capital operation is expected to inject strong momentum into the high-quality and sustainable development of Yunnan Copper [2]