双星新材：公司复合铜箔项目正常推进

Group 1 - The company is progressing normally with its composite copper foil project [1] - The carrier copper foil product disclosed in the 2025 semi-annual report is a newly developed product that has achieved stage progress in research and technological innovation [1] - The performance of the new product effectively meets the requirements of specific application scenarios [1] Group 2 - The company ensures that all relevant information is disclosed in accordance with applicable laws, regulations, and guidelines [1]