云南铜业：黄金为公司铜冶炼生产的副产品

Group 1 - The company, Yunnan Copper, stated that gold is a byproduct of its copper smelting production, with some sourced from its own copper concentrate containing gold, but most coming from externally purchased copper concentrate [1] - The company indicated that the rising gold prices will have a limited positive impact due to fluctuations in raw material costs and low smelting processing fees [1]