云南铜业：公司主产品为阴极铜，副产黄金、白银、工业硫酸等产品

Core Viewpoint - Yunnan Copper emphasizes its focus on copper production while also producing by-products such as gold, silver, and industrial sulfuric acid, and it is actively adjusting its business strategies in response to market changes [1] Group 1 - The main product of the company is cathode copper, with by-products including gold, silver, and industrial sulfuric acid [1] - The company closely monitors industry and market changes to timely adjust its operational strategies [1] - Yunnan Copper adheres to relevant regulations for information disclosure, including the Shenzhen Stock Exchange listing rules and the management measures for listed company information disclosure [1]