西部矿业：公司冶炼铜原料以国内自有矿山为主，自给率较高

Group 1 - The company primarily sources its copper smelting raw materials from domestic mines, resulting in a high self-sufficiency rate [1] - The company is not affected by overseas supply risks, providing advantages in raw material stability, cost control, and market response [1] - In the context of rising copper prices, the company is positioned to maintain stable operations and enhance profitability in a complex market environment [1]