证券日报网讯 12月17日，双星新材在互动平台回答投资者提问时表示，公司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。复合铜箔项目已具备量产条件，而复合铝箔正处于研发验 证阶段。此外，公司还研发了载体铜箔产品，其性能和品质已基本满足客户在触控用柔性线路板方面的 使用要求。这些产品能够有效满足锂电池行业对先进集流体材料的需求，为公司后续在该领域的业务拓 展奠定了坚实的基础。 （编辑 任世碧） ...

双星新材（002585.SZ）12月17日在投资者互动平台表示，公司的复合铜箔项目已具备量产条件，复合 铝箔正处于研发验证阶段。随着工信部对动力电池上车安全新规定出台之后，整体推进加快。另外，公 司新研发的载体铜箔产品，其性能和品质已基本满足客户当前在触控用柔性线路板方面的使用要求。公 司在产品研发和技术应用方面取得了阶段性成果，产品能够有效满足特定应用场景的需求，为公司后续 在该领域的业务拓展奠定了坚实的基础。未来，公司将在立足现有项目中持续深挖潜力、提升效率，并 对相关产线精准市场对接，为客户提供定制化产品设计，以满足其多元化需求，增强自身产品的多功能 性、灵活性及广泛应用性，力求实现新能源材料业务的高质量增长。 （文章来源：每日经济新闻） 每经AI快讯，有投资者在投资者互动平台提问：未来几年，铜箔技术迭代方面将会有很多惊喜的地 方，行业有望迎来发展的春天。公司是否有相关技术？ ...

格隆汇12月17日丨双星新材(002585.SZ)在投资者互动平台表示，公司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。复合铜箔项目已具备量产条件，而复合铝箔正处于研发验证阶 段。此外，公司还研发了载体铜箔产品，其性能和品质已基本满足客户在触控用柔性线路板方面的使用 要求。这些产品能够有效满足锂电池行业对先进集流体材料的需求，为公司后续在该领域的业务拓展奠 定了坚实的基础。 ...

（记者 胡玲） 双星新材（002585.SZ）12月17日在投资者互动平台表示，公司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。复合铜箔项目已具备量产条件，而复合铝箔正处于研发验证阶段。此 外，公司还研发了载体铜箔产品，其性能和品质已基本满足客户在触控用柔性线路板方面的使用要求。 这些产品能够有效满足锂电池行业对先进集流体材料的需求，为公司后续在该领域的业务拓展奠定了坚 实的基础。 每经AI快讯，有投资者在投资者互动平台提问：公司目前所有产品中，具体用于锂电池的有哪些？ ...

每经AI快讯，有投资者在投资者互动平台提问：公司开发的载体铜箔具体能满足哪些行业方向的需 求？ （文章来源：每日经济新闻） 双星新材（002585.SZ）12月16日在投资者互动平台表示，尊敬的投资者您好，公司相关产品主要应用 于复合集流体相关领域。感谢您对公司的关注。 ...

Core Viewpoint - The semiconductor packaging materials industry is expected to experience a rise in both volume and price driven by advanced packaging and storage demand, with significant opportunities for domestic production [1] Group 1: Epoxy Molding Compound (EMC) - EMC is a key encapsulation material in semiconductor packaging, with low domestic production rates estimated at only 10-20% for high-performance EMC [2] - The price of advanced packaging EMC can be 5-6 times higher than high-performance EMC and over 10 times that of basic EMC [2] - The transition from DRAM to HBM by companies like SK Hynix highlights the increasing demand for advanced EMC technologies [2] Group 2: Silicon Micron Powder - Silicon micron powder is a critical raw material for EMC, with significant procurement shares in companies like Hengsuo Huawai [3] - Low-alpha spherical aluminum effectively addresses challenges in high-density stacked packaging in the storage sector, with low levels of radioactive elements [3] Group 3: Substrate Upstream Materials - Low-CTE electronic cloth is a crucial supply bottleneck in the substrate segment, with lead times extending to 16-20 weeks due to raw material shortages [4] - The global market for carrier copper foil, primarily monopolized by Japanese firms, is valued at approximately 5 billion, with increasing demand driven by AI technology and advanced chip requirements [4] - Domestic supply chain localization is accelerating, which may benefit the domestic replacement process for carrier copper foil [4]

Core Viewpoint - The company reported a decline in revenue and a narrowing of losses in the first three quarters of 2025, while also achieving sequential growth in both revenue and net profit in the third quarter despite industry pressures [1]. Financial Performance - For the first three quarters of 2025, the company achieved revenue of 3.893 billion yuan, a year-on-year decrease of 10.16% - The net profit attributable to shareholders was -223 million yuan, a year-on-year increase of 2.11%, indicating a further narrowing of losses - In Q3 2025, the company recorded revenue of 1.267 billion yuan, a quarter-on-quarter increase of 1.81% - The net profit attributable to shareholders for Q3 was -73 million yuan, a quarter-on-quarter increase of 31.18% [1]. Research and Development - The company focuses on technological innovation as a core driver, with R&D investment amounting to 160 million yuan, representing 4.12% of revenue - The company has developed a complete set of process technologies from raw material development to production, and has established a robust R&D system and patent layout - In the first half of 2025, the company added 15 authorized patents covering various fields including optics, new energy, and consumer electronics [2]. Sustainability Initiatives - The company invested 150 million yuan in the digital and green transformation of functional polyester film production lines, aiming for an annual production capacity of 6,000 tons and achieving 100% green manufacturing [3]. Market Positioning - The company is focusing on high-end, functional, and differentiated product development, with a comprehensive industry chain layout in optical materials, new energy materials, variable information materials, energy-saving window films, and heat-shrinkable materials [4]. - In the MLCC release film sector, the company achieved a sales volume increase of 118.6% and a sales revenue increase of 144.4% in the first half of 2025, indicating strong market demand and successful product development [5]. Product Development and Innovation - The company has made significant progress in developing carrier copper foil, receiving positive feedback from customers and securing a second procurement contract, indicating a breakthrough in this niche market [6]. - The dual advantages of technological R&D and diversified products are expected to support the company's operational improvement as industry supply-demand imbalances ease and downstream demand expands [7].

Core Viewpoint - The company, Defu Technology (301511.SZ), has signed a supplementary contract with the Jiujiang Economic and Technological Development Zone Management Committee to invest an additional 1 billion RMB for the construction of high-end copper foil production facilities, aiming to enhance its competitiveness in the high-end copper foil market and achieve import substitution and industrial upgrading [1]. Group 1 - The company will invest 1 billion RMB to expand its production capacity for high-end copper foil [1]. - The contract signing is part of the company's strategy to replace imports and upgrade its industrial chain [1]. - The investment is expected to further strengthen the company's competitive position in the high-end copper foil market [1].

Core Viewpoint - Defu Technology (301511) reported significant growth in Q3 2023, with a revenue increase of 47.88% year-on-year, driven by higher copper foil sales and improved production efficiency [1][2] Financial Performance - Q3 2023 revenue reached 3.201 billion yuan, a 47.88% increase year-on-year [1] - Net profit for the quarter was 27.8879 million yuan, reflecting a 128.27% year-on-year growth [1] - Basic earnings per share were 0.0442 yuan, up 128.24% compared to the previous year [1] - The company's cash flow from operating activities for the first three quarters was -413 million yuan, a decline of 167.7% year-on-year due to increased cash expenditures on raw materials and employee compensation [1] Investment and Expansion Plans - Defu Technology signed a supplementary contract with the Jiujiang Economic and Technological Development Zone Management Committee to invest an additional 1 billion yuan in the development of specialized copper foil production facilities [1][2] - The project aims to enhance high-end copper foil production capacity, facilitating import substitution and industry chain upgrades [2] - The company is also pursuing overseas acquisitions, including a planned acquisition of Circuit Foil Luxembourg S.a.r.l. for 1.74 million euros, with an enterprise value of 2.15 million euros [2]

Core Viewpoint - Defu Technology (301511.SZ) has signed a supplementary contract with the Jiujiang Economic and Technological Development Zone Management Committee to increase investment in the development of a new energy industrial park and global headquarters R&D center due to technological upgrades [1] Group 1 - The company will add an investment of 1 billion RMB to the existing project investment for the construction of specialized copper foil research and production workshops, including carrier copper foil, embedded resistance copper foil, and high-frequency high-speed copper foil [1] - The implementation of this investment will take place within the company's controlling subsidiary, Amber New Materials [1]