云南铜业：公司生产的高品质阴极铜和综合回收的稀贵金属、稀散金属是通信等领域的基础材料

Group 1 - The company primarily produces cathode copper, with by-products including gold, silver, and industrial sulfuric acid [2] - The company also recovers rare metals such as molybdenum, selenium, tellurium, platinum, palladium, and rhenium [2] - The high-quality cathode copper and the recovered precious and rare metals are essential materials for downstream industries such as telecommunications, new energy batteries, and electronic components [2]