证券代码：002805 证券简称：丰元股份 公告编号：2026-005 山东丰元化学股份有限公司 关于为全资子公司提供担保的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 特别风险提示： 截至本公告日，山东丰元化学股份有限公司（以下简称"公司"或"上市公司"） 及其控股子公司对外担保总额占公司最近一期经审计净资产的比例为 166.10%。 一、担保情况概述 2025 年 4 月 28 日和 2025 年 5 月 22 日，公司分别召开第六届董事会第十三次会议 和 2024 年年度股东大会，审议通过了《关于对外担保额度预计的议案》，同意公司及 下属公司为公司合并报表范围内下属公司提供总计不超过人民币650,000万元的新增担 保额度，其中对资产负债率 70%以下的合并报表范围内下属公司提供不超过人民币 400,000 万元的新增担保额度，对资产负债率 70%以上的合并报表范围内下属公司提供 不超过人民币250,000万元的新增担保额度。具体内容详见公司在指定信息披露媒体《证 券时报》《中国证券报》《上海证券报》《证券日报》及巨潮资讯网披露的公告（公告 ...

Summary of BYD's Second-Generation Battery Fast Charging Technology Conference Call Industry and Company Involved - **Company**: BYD (Build Your Dreams) - **Industry**: Electric Vehicle (EV) Battery Supply Chain Key Points and Arguments 1. Battery Core Components - **Cathode Materials**: - **Fengyuan Co., Ltd. (002805)**: Exclusive supplier of high-pressure lithium iron phosphate for BYD's fast-charging battery, involved in joint R&D and exclusive adaptation [1] - **Defang Nano (300769)**: Core supplier of lithium manganese iron phosphate, supporting the second-generation blade battery's high rate and energy density improvements [1] - **Hunan YN Energy (301358)**: Leading supplier of lithium iron phosphate cathodes, deeply integrated with BYD, benefiting from the ramp-up of fast-charging batteries [1] 2. Electrolytes and Separators - **Tinci Materials (002709)**: Leading supplier of high-rate electrolytes, utilizing LiFSI technology to reduce internal resistance, suitable for fast-charging needs [1] - **Enjie Co., Ltd. (002812)**: Supplier of ultra-thin wet separators (4μm), enhancing ionic conductivity and ensuring fast charging stability [1] 3. Structural Components and Equipment - **Kodali (002850)**: Core supplier of blade battery casings, meeting the structural requirements of the second-generation short blade and high-rate designs [1] - **Haimeixing (688559)**: Provides laser equipment for the second-generation blade, covering the entire process from electrode processing to welding, with BYD as its second-largest customer (approximately 15% of revenue) [1] - **Lianying Laser (688518)**: Main supplier for cell/PACK laser welding, utilizing blue laser technology for copper-aluminum welding, with a high market share [1] 4. Onboard High Voltage and Control - **Silicon Carbide Chips**: - **San'an Optoelectronics (600703)**: The only domestic company with a full silicon carbide supply chain, providing automotive-grade SiC chips for high-voltage fast charging and efficient energy conversion [1] - **Tianyue Advanced (688234)**: Holds a 25% global market share in silicon carbide substrates, entering BYD's supply chain to support SiC chip production [1] 5. High Voltage Connectors and Charging Guns - **Yonggui Electric (300351)**: Validated 1000V liquid-cooled high-voltage connectors and charging guns by BYD, with a single vehicle supply value of approximately 1200 yuan [1] 6. Onboard Power Modules - **Xinrui Technology (300745)**: Supplier of high-power charging SCM super-fast charging modules, suitable for megawatt fast-charging high-voltage platforms [1] 7. Charging Infrastructure - **Ultra Charging Piles and Power Modules**: - **XJ Electric (000400)**: Awarded the first batch of megawatt fast charging station equipment by BYD, providing 600kW liquid-cooled ultra charging piles [1] - **Shenghong Co., Ltd. (300693)**: Signed a strategic agreement with BYD for core power modules of megawatt charging stacks [1] 8. Charging Modules and Power Supplies - **Yingkerui (300713)**: Supplier of 1000V efficient power modules, achieving a conversion efficiency of 98.5%, supporting peak power output [1] Core Conclusions - **Key Certainties**: Exclusive long-term agreements for cathode materials, exclusive adaptation of laser equipment, and full-chain support for SiC chips [1] - **Leading Suppliers for Fast Charging Components**: Tinci Materials (electrolytes), Enjie Co., Ltd. (separators), Yonggui Electric (high-voltage connectors), and XJ Electric (ultra charging piles) [1]

Core Viewpoint - The company announced that it has signed a project contract with the People's Government of Yicheng District, Zaozhuang City, which has been approved by the board of directors and the shareholders' meeting. However, due to objective factors, the company has not yet obtained the necessary pre-construction permits, and the project has not made substantial progress to date [1] Group 1 - The investment matter has been approved by both the board of directors and the shareholders' meeting [1] - The project is currently in the preparatory stage and will not have a significant impact on the company's production operations and financial status [1] - The company will continue to monitor the progress of the project and disclose updates in a timely manner [1]

二、对外投资进展情况 自公司与合作方签署相关投资协议以来，由于客观因素影响，公司尚未取得项目建 设所需的前置手续，截至目前项目仍未取得实质性进展。公司就上述投资事项仍会与各 方进行协商沟通。 三、对公司的影响 证券代码：002805 证券简称：丰元股份 公告编号：2026-004 山东丰元化学股份有限公司 关于对外投资的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 一、对外投资概述 山东丰元化学股份有限公司（以下简称"公司"或"本公司"）与枣庄市峄城区 人民政府签署了项目合同书，该对外投资事项已经公司于 2022 年 8 月 29 日召开的第五 届董事会第十八次会议及 2022 年 9 月 14 日召开的 2022 年第四次临时股东大会审议通 过，具体内容详见公司于 2022 年 8 月 30 日在指定信息披露媒体《证券时报》《中国证 券报》《上海证券报》《证券日报》及巨潮资讯网（www.cninfo.com.cn）披露的公告 （公告编号：2022-080）。 上述项目尚处于前期筹备阶段，不会对公司的生产经营活动和财务状况产生重大影 响，亦不存在损 ...

Group 1: Core Viewpoint - The company, Fengyuan Co., Ltd. (002805), has disclosed several important announcements regarding its performance forecast, external guarantees, and institutional research activities [1] Group 2: Performance and Operational Situation - On January 30, 2026, the company announced a performance forecast for the year 2025, expecting a net loss attributable to shareholders of 400 million to 460 million yuan, while noting an improvement in the utilization rate of lithium battery cathode material production capacity in the fourth quarter, with positive trends in main business revenue and gross margin, indicating significant loss reduction [2] - On February 6, 2026, the company reiterated its production capacity utilization and operational improvement in its investment activity record [2] Group 3: Company Status - On February 5, 2026, the company announced a provision of a joint liability guarantee of 250 million yuan for its wholly-owned subsidiary, Shandong Fengyuan Lithium Energy Technology Co., Ltd., bringing the total external guarantee balance for the company and its subsidiaries to 2.8395 billion yuan, which accounts for 166.10% of the most recent audited net assets, indicating related risks [3] Group 4: Institutional Research - On February 4, 2026, the company participated in an institutional research session with Guotai Junan Securities and Tianhong Fund, discussing the distribution of lithium iron phosphate production capacity (with 225,000 tons completed and 75,000 tons under construction), maintaining high capacity utilization, and progress in cooperation with core customers [4]

Core Viewpoint - The company has established a total lithium iron phosphate production capacity of 225,000 tons, with an additional 75,000 tons under construction, maintaining a relatively high utilization rate of effective capacity for its lithium iron phosphate products [1] Group 1 - The company has built a total of 225,000 tons of lithium iron phosphate production capacity [1] - There is an additional 75,000 tons of capacity currently under construction [1] - The production capacity is distributed across three bases located in Zaozhuang, Yuxi, and Anqing [1] Group 2 - The company plans to adjust its capacity construction in real-time based on industry trends and changes in downstream customer demand [1] - The effective capacity utilization rate for the company's lithium iron phosphate products remains at a relatively high level [1]

Core Viewpoint - The company has established a total lithium iron phosphate production capacity of 225,000 tons, with an additional 75,000 tons currently under construction [1] Group 1: Production Capacity - The company's existing lithium iron phosphate production capacity is distributed across three bases located in Zaozhuang, Yuxi, and Anqing [1] - The company is actively adjusting its capacity construction in response to industry trends and changes in downstream customer demand [1] - The effective capacity utilization rate of the company's lithium iron phosphate products remains at a relatively high level [1]

证券代码：002805 证券简称：丰元股份 公告编号：2026-003 山东丰元化学股份有限公司 关于为全资子公司提供担保的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 特别风险提示： 截至本公告日，山东丰元化学股份有限公司（以下简称"公司"或"上市公司"） 及其控股子公司对外担保总额占公司最近一期经审计净资产的比例为 166.10%。 本次担保事项被担保人山东丰元锂能科技有限公司（以下简称"丰元锂能"）系公 司全资子公司。根据丰元锂能最近一期未经审计的财务报表，截至 2025 年 9 月 30 日， 丰元锂能资产负债率超过 70%，敬请广大投资者注意相关风险。 一、担保情况概述 2025 年 4 月 28 日和 2025 年 5 月 22 日，公司分别召开第六届董事会第十三次会议 和 2024 年年度股东大会，审议通过了《关于对外担保额度预计的议案》，同意公司及 下属公司为公司合并报表范围内下属公司提供总计不超过人民币650,000万元的新增担 保额度，其中对资产负债率 70%以下的合并报表范围内下属公司提供不超过人民币 400,000 万元的新 ...

Core Viewpoint - The company has established a lithium iron phosphate production capacity of 225,000 tons, with an additional 75,000 tons under construction, indicating a strong commitment to expanding its production capabilities in response to market demand [1] Group 1: Production Capacity - The total established lithium iron phosphate production capacity is 225,000 tons [1] - An additional 75,000 tons of production capacity is currently under construction [1] - The production capacity is distributed across three bases located in Zaozhuang, Yuxi, and Anqing [1] Group 2: Capacity Utilization and Adjustments - The effective capacity utilization rate for the company's lithium iron phosphate products remains at a relatively high level [1] - The company plans to adjust its capacity construction in real-time based on industry trends and changes in downstream customer demand [1]

Group 1 - Fengyuan Co. announced that on February 4, 2026, it will accept an investor survey conducted by Guotai Junan Securities and others, with the company's board secretary Ni Wenqin participating in the reception and answering questions from investors [1] Group 2 - The article discusses Kevin Warsh's new policy ideas, which include a dual approach of monetary easing and tightening, aiming to control inflation with the help of AI, while rejecting the role of being a major buyer of U.S. Treasury bonds [1]