云南铜业：公司存货同比上升，主要因为铜、金、银等主要金属价格同比上涨

Group 1 - The core viewpoint of the article is that Yunnan Copper's inventory has increased year-on-year due to rising prices of key metals such as copper, gold, and silver, despite stable inventory quantities [2] - The company's inventory includes finished products for sale, work-in-progress, and materials consumed during production or service provision, aligning with its production and operational plans [2] - The increase in inventory balance at the end of the period is directly attributed to the price hikes of metals, indicating a positive correlation between metal prices and inventory valuation [2]