云南铜业：截至2025年6月末，公司保有铜资源矿石量9.56亿吨

Core Viewpoint - Yunnan Copper Industry (000878) is enhancing its copper resource reserves and quality through strategic acquisitions and increased investments in geological research and exploration [1] Group 1: Resource Reserves - As of June 2025, the company expects to hold 956 million tons of copper ore with a metal content of 3.6137 million tons and an average grade of 0.38% [1] - The completion of the acquisition of 40% stake in Liangshan Mining in 2025 will significantly improve the company's copper resource reserves and quality [1] Group 2: Investment and Development - The company has been increasing its capital investment in recent years to actively conduct geological research and exploration work in deep and peripheral areas of its mines [1] - The ongoing efforts in resource replacement and reserve increase are aimed at ensuring sustainable development and utilization of resources [1]