云南铜业：公司主要业务涵盖了铜的勘探、采选、冶炼

Company Overview - The company, Yunnan Copper, engages in copper exploration, mining, smelting, precious metals and rare metals extraction and processing, sulfur chemical industry, and trading [2] - It is a significant production base for copper, gold, silver, and sulfur chemicals in China, establishing a comprehensive industrial chain in the copper and related non-ferrous metal sectors [2] Resource and Production - As of June 30, 2025, the company holds copper ore resources amounting to 956 million tons, with a metal content of 3.6137 million tons and an average copper grade of 0.38% [2] - The company controls key mining assets, including the Diquan Youse Pulang Copper Mine, Yuxi Mining Dahongshan Copper Mine, and Diquan Mining Yangla Copper Mine [2]