双星新材：目前用于锂电池的产品主要包括复合铜箔和复合铝箔两种集流体材料

Core Viewpoint - The company has developed key products for lithium batteries, including composite copper foil and composite aluminum foil, which are essential for the industry's advanced current collector material needs [1] Group 1: Product Development - The company's products specifically used for lithium batteries include composite copper foil and composite aluminum foil [1] - The composite copper foil project is ready for mass production, while the composite aluminum foil is currently in the research and validation stage [1] - The company has also developed carrier copper foil products that meet customer requirements for flexible circuit boards used in touch applications [1] Group 2: Market Positioning - These products are positioned to effectively meet the demands of the lithium battery industry for advanced current collector materials [1] - The development of these materials lays a solid foundation for the company's future business expansion in the lithium battery sector [1]