证券代码：300769 证券简称：德方纳米 公告编号：2026-014 深圳市德方纳米科技股份有限公司 关于对外担保的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 1.被担保人基本信息 2.被担保人主要财务数据 单位：万元 一、 对外担保概述 深圳市德方纳米科技股份有限公司（以下简称"公司"）于2025年4月25日 召开第四届董事会第十七次会议，并于2025年5月19日召开2024年年度股东大会， 会议分别审议通过了《关于向金融机构申请综合授信额度的议案》《关于对外担 保额度预计的议案》，公司及合并报表范围的子公司（含授权期限内新设立或纳 入合并范围的全资子公司、控股子公司）拟向银行、融资租赁公司等金融机构申 请综合授信额度，总额度合计不超过人民币1,500,000.00万元（不包含低风险业 务额度），最终额度以金融机构实际审批的授信额度为准，授信品种包括但不限 于本外币借款、银行承兑汇票、信用证、保函等，各金融机构实际授信额度可在 总额度范围内调剂。公司拟为合并报表范围的子公司向业务相关方（包括但不限 于银行、融资租赁公司等金融机构及其他业务合作 ...

证券代码：300769 证券简称：德方纳米 公告编号：2026-013 深圳市德方纳米科技股份有限公司 关于对外担保的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 一、 对外担保概述 深圳市德方纳米科技股份有限公司（以下简称"公司"）于2025年4月25日 召开第四届董事会第十七次会议，并于2025年5月19日召开2024年年度股东大会， 会议分别审议通过了《关于向金融机构申请综合授信额度的议案》《关于对外担 保额度预计的议案》，公司及合并报表范围的子公司（含授权期限内新设立或纳 入合并范围的全资子公司、控股子公司）拟向银行、融资租赁公司等金融机构申 请综合授信额度，总额度合计不超过人民币1,500,000.00万元（不包含低风险业 务额度），最终额度以金融机构实际审批的授信额度为准，授信品种包括但不限 于本外币借款、银行承兑汇票、信用证、保函等，各金融机构实际授信额度可在 总额度范围内调剂。公司拟为合并报表范围的子公司向业务相关方（包括但不限 于银行、融资租赁公司等金融机构及其他业务合作方）申请综合授信额度（包括 但不限于本外币借款、银行承兑汇票 ...

Core Viewpoint - The article discusses the upcoming 2026 Cylinder Battery Technology Forum, highlighting the rapid advancements in lithium iron phosphate (LFP) technology and the competitive landscape among leading companies in the industry [2][4]. Group 1: Industry Trends - The global shipment of lithium iron phosphate cathode materials is projected to reach 3.654 million tons in 2025, representing a year-on-year growth of 67.2%, indicating a robust growth trend in the industry [4]. - The fourth-generation high-pressure dense lithium iron phosphate products have become the market standard, with leading companies like De Fang Nano achieving significant shipment volumes and market share [2][6]. Group 2: Company Performance - De Fang Nano has maintained a strong market position, ranking second in shipments due to its stable production capacity and competitive products [4][3]. - The company is expected to reduce its net loss significantly in 2025, with projected losses between 760 million to 860 million yuan, a year-on-year reduction of 35.71% to 43.18% [6][7]. Group 3: Product Development - De Fang Nano's fifth-generation high-performance lithium iron phosphate material has reached a packing density of 2.70-2.75 g/cm³, showcasing industry-leading technology [6]. - The company is also expanding its product portfolio with new offerings such as lithium manganese iron phosphate, which is anticipated to become a new growth engine in the market [9][10]. Group 4: Market Dynamics - The demand for high-performance lithium iron phosphate products is expected to increase, driven by the need for fast charging and long-range capabilities in electric vehicles [9]. - The market for lithium manganese iron phosphate is projected to exceed 1.3 million tons by 2030, indicating substantial growth potential [9].

证券代码：300769 证券简称：德方纳米 公告编号：2026-012 深圳市德方纳米科技股份有限公司 关于全资子公司为公司提供担保及对外担保的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 一、 对外担保概述 深圳市德方纳米科技股份有限公司（以下简称"公司"）于2025年4月25日 召开第四届董事会第十七次会议，并于2025年5月19日召开2024年年度股东大会， 会议分别审议通过了《关于向金融机构申请综合授信额度的议案》《关于对外担 保额度预计的议案》，公司及合并报表范围的子公司（含授权期限内新设立或纳 入合并范围的全资子公司、控股子公司）拟向银行、融资租赁公司等金融机构申 请综合授信额度，总额度合计不超过人民币1,500,000.00万元（不包含低风险业 务额度），最终额度以金融机构实际审批的授信额度为准，授信品种包括但不限 于本外币借款、银行承兑汇票、信用证、保函等，各金融机构实际授信额度可在 总额度范围内调剂。公司拟为合并报表范围的子公司向业务相关方（包括但不限 于银行、融资租赁公司等金融机构及其他业务合作方）申请综合授信额度（包括 但不限 ...

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]

证券代码：300769 证券简称：德方纳米 公告编号：2026-011 深圳市德方纳米科技股份有限公司 2026 年第一次临时股东会决议公告 1.召开时间： 现场会议召开时间：2026 年 3 月 3 日（星期二）15:00 网络投票时间：2026 年 3 月 3 日 其中通过深圳证券交易所交易系统进行网络投票的具体时间为：2026 年 3 月 3 日上午 9:15--9:25，9:30--11:30，下午 13:00--15:00；通过深圳证券交易所互 联网投票系统投票的具体时间为：2026 年 3 月 3 日 9:15 至 15:00 期间的任意时 间。 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。 特别提示 1.本次股东会未出现否决议案的情形。 2.本次股东会不涉及变更以往股东会已通过的决议。 一、 会议召开情况 2.召开地点：广东省深圳市南山区留仙大道 3370 号南山智园崇文园区 1 号 楼 10 层公司会议室。 3.召开方式：采用现场投票与网络投票相结合的方式召开。 4.召集人：深圳市德方纳米科技股份有限公司（以下简称"公司"）董事会。 5.主持 ...

北京市中伦（深圳）律师事务所 关于深圳市德方纳米科技股份有限公司 2026 年第一次临时股东会的 法律意见书 $$\underline{{{-}}}\,\mathbf{O}\,\underline{{{-}}}\,\mathbf{\hat{\lor}}\,\underline{{{\mathbf{\pi}}}}\,\underline{{{-}}}\,\mathbf{\mathsf{H}}$$ | 四、结论意见 4 | | --- | 北京市中伦（深圳）律师事务所 关于深圳市德方纳米科技股份有限公司 2026 年第一次临时股东会的 法律意见书 致：深圳市德方纳米科技股份有限公司 根据《中华人民共和国公司法》（以下简称"《公司法》"）、《中华人民 共和国证券法》以及中国证券监督管理委员会（以下简称"中国证监会"）发布 的《上市公司股东会规则》的规定，北京市中伦（深圳）律师事务所（以下简称 "本所"）接受深圳市德方纳米科技股份有限公司（以下简称"公司"）的委托， 指派本所律师列席公司 2026 年第一次临时股东会（以下简称"本次股东会"）， 对本次股东会的相关事项进行见证并出具本法律意见书。 为出具本法律意见书， ...

Core Viewpoint - The announcement from Defang Nano indicates that the total actual guarantees provided by the company and its subsidiaries amount to 513.43 million yuan, representing 92.59% of the company's most recent audited net assets [1] Group 1: Guarantee Details - The total actual guarantee balance includes guarantees provided by the company to its subsidiaries and guarantees among subsidiaries, which is also 513.43 million yuan, maintaining the same percentage of 92.59% of the audited net assets [1] - The company has provided a guarantee limit of 12.4 million yuan for equity investees outside the consolidated financial statements, with the actual guarantee balance currently at 0 yuan [1] Group 2: Financial Health - There are no overdue debts, litigation issues, or any judgments against the company related to the guarantees provided [1]

关于对外担保的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 一、 对外担保概述 证券代码：300769 证券简称：德方纳米 公告编号：2026-010 深圳市德方纳米科技股份有限公司 深圳市德方纳米科技股份有限公司（以下简称"公司"）于2025年4月25日 召开第四届董事会第十七次会议，并于2025年5月19日召开2024年年度股东大会， 会议分别审议通过了《关于向金融机构申请综合授信额度的议案》《关于对外担 保额度预计的议案》，公司及合并报表范围的子公司（含授权期限内新设立或纳 入合并范围的全资子公司、控股子公司）拟向银行、融资租赁公司等金融机构申 请综合授信额度，总额度合计不超过人民币1,500,000.00万元（不包含低风险业 务额度），最终额度以金融机构实际审批的授信额度为准，授信品种包括但不限 于本外币借款、银行承兑汇票、信用证、保函等，各金融机构实际授信额度可在 总额度范围内调剂。公司拟为合并报表范围的子公司向业务相关方（包括但不限 于银行、融资租赁公司等金融机构及其他业务合作方）申请综合授信额度（包括 但不限于本外币借款、银行承兑汇票 ...

Group 1 - The stock price of Defang Nano (300769) has shown volatility over the past week, closing at 41.18 yuan with a slight increase of 0.10% on the latest trading day. The cumulative increase over the past five days is 3.86%, while the cumulative decrease over the past twenty days is 10.71%. The stock experienced a fluctuation range of 7.13%, with significant variations in trading volume, peaking at 685 million yuan in a single day. Despite net inflows of main funds, overall market sentiment remains affected by industry competition and performance pressures [1]. Group 2 - Defang Nano responded to inquiries on its investor interaction platform regarding the progress of its collaboration with Huawei on the 4680 cylindrical solid-state battery. The company indicated that its primary customers are lithium battery manufacturers but did not confirm specific details of the collaboration. This response mitigates excessive speculation about undisclosed information while highlighting the company's relevance in cutting-edge fields such as solid-state batteries [2].