德福科技：截至2025年三季度，公司国内总年产能为17.5万吨

Group 1 - The core point of the article is that 德福科技 (Defu Technology) has announced its production capacity and flexibility in product lines for copper foil used in lithium batteries and electronic circuits [2] Group 2 - As of Q3 2025, the company's total annual production capacity in China will reach 175,000 tons, with 125,000 tons dedicated to lithium battery copper foil and 50,000 tons for electronic circuit copper foil [2] - The production lines for various series of electronic circuit copper foil products can be fully flexibly switched [2]