Summary of Conference Call Notes on Yongding Co., Ltd. Company Overview - Yongding Co., Ltd. is the first privately listed company in China's optical cable industry, having established a complete vertically integrated industrial chain from optical rods to optical fibers and optical cables [4] Key Points and Arguments Shareholder Reduction Plan - The controlling shareholder, Yongding Group, plans to reduce its holdings by up to 14,619,900 shares, which is not more than 1% of the total share capital, due to personal funding needs [1][2] Long-term Business Impact - The shareholder reduction is not expected to impact the long-term development of the company [3] Subsidiary Developments - Subsidiary Dingxin Optoelectronics is expanding its product lineup to include EML and CW light source chips, with existing customer agreements in place, indicating potential for increased order volumes [3] - Dingxin Optoelectronics is expected to double its production capacity by 2026 and again by 2027, with recent capital increases from external investors [3] High-Temperature Superconducting Materials - Subsidiary Dongbu Superconductor is focusing on high-temperature superconducting materials using unique domestic technology, with applications in controlled nuclear fusion and other fields [3] - The company plans to expand production by 50,000 kilometers to meet growing downstream demand [3] Optical Fiber and Cable Industry Trends - The optical fiber and cable industry is experiencing significant changes in supply and demand, driven by AI and drone applications, leading to increased operational rates for fiber manufacturers [3] - Recent bidding failures in China's telecom fiber and cable procurement indicate previously low pricing, suggesting future price increases for operators [3] Production Capacity Expansion - The company is actively expanding production capacity, with projections to reach 9.5 million tons for optical rods and 36 million core kilometers for optical fibers by the end of 2026, which is expected to contribute to flexible profits [4] Automotive Wire Business Growth - The automotive wire business is anticipated to maintain rapid growth, with significant orders already secured [5] Dual-Driving Growth Strategy - The company is leveraging a dual-driving strategy of "Optical Communication + Superconductors" for future growth, with strong overseas demand for optical modules and a supply-demand gap in optical chips [6] Future Growth Potential - The high-temperature superconducting materials are expected to benefit from the rapid development of controlled nuclear fusion, and the company's expansion in optical fiber and cable production is projected to contribute to flexible profits [7] - The company has broad growth potential, and investors are encouraged to maintain interest [7]

| - 级: | | --- | | 増す 自 次 | 通信设备 执业证书编号：S0740524060005 Email：yanglei01@zts.com.cn 执业证书编号：S0740525100002 Email：sunyw@zts.com.cn | 基本状况 | | | --- | --- | | 总股本(百万股) | 1,461.99 | | 流通股本(百万股) | 1,461.99 | | 市价(元) | 29.60 | | 市值(百万元) | 43,275.05 | | 流通市值(百万元) | 43,275.05 | 永鼎股份（600105.SH） 证券研究报告/公司点评报告 2026 年 02 月 27 日 | 增持（首次） 评级： | 公司盈利预测及估值 | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | | | 指标 | | 2023A | 2024A | 2025E | 2026E | 2027E | | 分析师：杨雷 | 营业收入（百万元） | | 4,345 | 4,111 | 4,690 | 5,650 | ...

"AI的终点是能源，能源的终点是聚变。" 当ChatGPT、Sora以及各种万亿参数的大模型将人类推向通用人工 智能（AGI）的新纪元时，一个冷峻的现实摆在所有人面前：算力的尽头是电力。 英伟达创始人黄仁勋与 OpenAI首席执行官奥特曼曾多次公开表达对未来能源供应的焦虑。 当能源成为制约智能时代的"硬天花板"，中国却在这场决定未来的终极能源竞赛中，以前所未有的战略前 瞻，将聚变能源确立为国家顶层设计的核心方向。2025年年底，"十五五"建议全文正式发布，核聚变能首次 被正式写入国家五年规划，并与量子科技、脑机接口一同被列为国家战略性未来产业。这标志着核聚变已 从"科学实验阶段"正式跨入"国家产业布局阶段"。 一场关乎人类文明终极能源的"奥林匹克竞赛"，正在中国大地上全产业链加速爆发。 一、范式跃迁：核聚变何以成为"万亿赛道"之首？ 核聚变能成为全球瞩目的"万亿赛道"之首，源于一场由能源潜力、技术突破、AI需求与资本涌入共同驱动的 深刻范式跃迁。这四大支柱正合力将核聚变从"永远需要50年"的远景，加速推至产业爆发的前夜。 1.能源潜力：物理层面的降维打击 从能源属性本身看，核聚变几乎完美契合人类对终极能源的全 ...

Summary of the Conference Call on Nuclear Fusion and Magnetic Materials Industry Overview - The focus of the conference call was on the nuclear fusion industry, specifically the magnetic materials segment, which is expected to undergo significant upgrades and present investment opportunities as the industry matures and technology evolves [1][2]. Core Insights and Arguments - The nuclear fusion industry is experiencing accelerated growth driven by strong policy support and capital expenditure, with projects in cities like Hefei, Shanghai, and Chengdu progressing rapidly [2]. - The cost structure of magnetic materials is critical, with superconducting magnets representing a significant portion of the costs in fusion projects. For instance, in the ITER project, component costs account for 86%, with magnets alone making up 28% of that [3][25]. - The market for second-generation high-temperature superconducting materials is projected to grow from approximately 300 million yuan in 2024 to 4.9 billion yuan by 2030, reflecting a compound annual growth rate (CAGR) of 59% [4][27]. - The transition from low-temperature superconductors (primarily niobium-titanium and niobium-tin) to high-temperature superconductors (such as rare-earth barium copper oxide) is anticipated, which will enhance performance and reduce costs [3][15]. Key Developments and Trends - The global nuclear fusion sector is shifting from research to practical energy applications, with countries like the US, Japan, and Germany implementing strategic plans to support fusion development [6]. - The magnetic confinement approach remains the dominant commercial method, with significant projects like BEST and ITER expected to achieve breakthroughs in the next three years [7][25]. - The demand for superconducting materials is expected to rise significantly, with the market for niobium-titanium projected to reach 600 million USD, niobium-tin at 450 million USD, and rare-earth barium copper oxide at 790 million USD by 2024 [17]. Potential Risks and Considerations - The industry faces challenges related to the high costs of liquid helium for cooling low-temperature superconductors, which may hinder their commercial viability [14][18]. - The supply chain for critical metals used in superconductors, such as tantalum and niobium, is under scrutiny due to geopolitical factors and market dynamics, which could impact availability and pricing [20][22]. Additional Important Insights - The integration of superconducting materials in various applications beyond fusion, including high-end manufacturing and medical equipment, is expected to enhance the overall market value of these materials [28]. - The development of high-temperature superconductors is crucial for future advancements in fusion technology, as they can operate at higher temperatures and reduce cooling costs [30]. - The conference highlighted the importance of monitoring the supply chain for rare metals and the potential for price increases due to rising demand from sectors like commercial aerospace and semiconductor manufacturing [21][24]. Conclusion - The nuclear fusion industry, particularly the magnetic materials segment, is poised for significant growth driven by technological advancements and increasing investment. Key players in the superconducting materials market are expected to benefit from this trend, making them worthy of investor attention [34].

Summary of Conference Call Notes Company Overview - The company discussed is Yongding Co., Ltd. (永鼎股份), which operates in the optical communication and superconducting materials industry. Key Points and Arguments 1. **2025 Earnings Forecast**: The company expects a net profit attributable to shareholders of 200 million to 300 million yuan, representing a year-on-year growth of 226% to 388%. This significant increase is primarily due to an estimated investment income of approximately 250 million yuan from its associate company, Shanghai Dongchang Investment, which is unaudited and subject to final audit confirmation [1][2]. 2. **Q4 Profit Expectations**: The anticipated net profit for Q4 is projected to be around 79 million yuan, which is slightly lower than previous expectations [1]. 3. **Core Business Stability**: The company's main operations are stable, driven by a dual focus on "optical communication and superconducting" technologies. This dual strategy is expected to support future growth [1]. 4. **Subsidy and Product Development**: The subsidiary, Dingshin Technology, is fully engaged in the development of EML and CW light source optical chip products and has secured significant orders. The company is adopting an IDM (Integrated Device Manufacturer) model, which has already led to clear customer validation and supply agreements for CW light sources [2]. 5. **Capacity Expansion**: Dingshin Technology is actively expanding production capacity, with expectations to double its capacity by 2026. Recent capital increases have attracted external investors, including a 5 million yuan investment from Cambridge Technology, which holds a 0.5525% stake [2]. 6. **Superconducting Materials Development**: The subsidiary, Eastern Superconducting, is pioneering high-temperature superconducting tape using a unique domestic IBAD+MOCVD technology. The products are designed for applications in controlled nuclear fusion, superconducting induction heating, magnetic single crystal pulling, and medical fields. The controlled nuclear fusion sector is identified as a strategic development direction in the national "14th Five-Year Plan" [2]. 7. **Market Demand and Growth Potential**: The company is well-positioned to benefit from the strong demand for optical modules overseas. The optical chip market is experiencing a supply-demand gap due to long production cycles, and the company’s self-developed products and IDM model are expected to secure ongoing customer orders [2]. 8. **Future Growth Outlook**: The company is anticipated to have substantial growth potential, particularly in the high-temperature superconducting tape market, which is expected to benefit from the rapid development of controlled nuclear fusion technologies. Investors are encouraged to pay close attention to the company's future growth prospects [2].

【天风通信】永鼎股份业绩预告点评：公司主业经营稳健，"光通信+超导"双轮驱动发展 事件：公司发布2025年业绩预告，预计归母净利润为2亿-3亿，同比增长226%-388%，主要是由于公司对联营企业 上海东昌投资权益法确认的投资收益约2.5亿元（未经审计，最终以审计数据为准），预计Q4归母净利润中值为- 0.79亿元，略低于我们之前的预期。 公司主业经营稳健，"光通信+超导"双轮驱动发展，子公司鼎芯科技全面布局 【天风通信】永鼎股份业绩预告点评：公司主业经营稳健，"光通信+超导"双轮驱动发展 事件：公司发布2025年业绩预告，预计归母净利润为2亿-3亿，同比增长226%-388%，主要是由于公司对联营企业 上海东昌投资权益法确认的投资收益约2.5亿元（未经审计，最终以审计数据为准），预计Q4归母净利润中值为- 0.79亿元，略低于我们之前的预期。 此外，鼎芯光电紧跟客户需求，持续进行扩产，预计26年产能有望翻倍，并于近期增资扩股引入外部投资者，其 中，剑桥科技增资500万元（持股比例为0.5525%）。 此外，公司子公司东部超导前瞻布局高温超导带材，并采用国内独有的IBAD+MOCVD技术路线，产品性能优异， ...

Group 1 - The concept of controlled nuclear fusion is gaining significant attention due to its potential as a "ultimate energy" source, characterized by abundant raw materials, environmental cleanliness, high safety, and low costs [2][5] - The Wande Nuclear Fusion Concept Index rose by 4.97% on January 12, with several stocks reaching their daily limit, and the index has seen a cumulative increase of nearly 20% in just six trading days [1] - Recent advancements in nuclear fusion technology include the successful excitation of a high-temperature superconducting magnet to 20.8 Tesla by Energy Singularity, marking a significant milestone in the field [2][3] Group 2 - Energy Singularity has developed a 20 Tesla material performance measurement platform, which allows for efficient testing of superconducting materials, addressing the limitations of existing commercial measurement systems [3] - The East Experimental Fusion Reactor, known as the "artificial sun," has confirmed the existence of a density-free zone, providing important physical evidence for high-density operation in magnetic confinement fusion devices [4] - Companies like Xibu Superconductor and China Aviation Optical-Electrical are positioning themselves within the nuclear fusion supply chain, with Xibu supplying materials for international fusion projects and China Aviation Optical-Electrical developing components for fusion systems [6][7] Group 3 - The FRC (Field-Reversed Configuration) approach is gaining traction among domestic and international commercial fusion companies, with notable advancements from Nova Fusion and Hanhai Energy, which are focusing on modular reactor designs [7][8] - Nova Fusion has completed a 500 million yuan angel round of financing, indicating strong investor interest in the FRC technology route [7] - Helion Energy, a U.S. company utilizing the FRC approach, has accelerated its progress with plans to construct the world's first fusion power plant, aiming to deliver fusion electricity by 2028 [8]

Group 1 - The report reviews the controllable nuclear fusion sector's performance since 2025 and outlines key catalytic events, projecting significant developments in 2026 and beyond, with a focus on China's strategic direction in nuclear fusion [1] - Key events expected to revitalize interest in the sector include the ignition of China's BEST device in 2027, the connection of the Helion device to the grid in 2028, and a 200 MW power purchase agreement between Google and CFS in the 2030s [1] - The report highlights that the nuclear fusion industry is currently transitioning from experimental reactors to engineering reactors, with significant advancements in both China and the United States [7][15] Group 2 - The report identifies 19 listed companies in the nuclear fusion sector, using a market capitalization-weighted average stock price to create the "controllable nuclear fusion index," which has experienced three rounds of price increases since 2025 due to event-driven catalysts [7][10] - The report emphasizes the importance of selecting companies that occupy core positions with strong order acquisition certainty, favorable competitive landscapes, and high value in the nuclear fusion supply chain [21] - Key components in the Tokamak technology path include high/low temperature superconducting magnets, vacuum chambers, and power systems, with a limited number of companies involved in these critical areas [21][22] Group 3 - The report outlines significant upcoming events that may trigger a new round of market activity in the nuclear fusion sector, including the IPO of Shanghai Superconductor, advancements in the Starfire project, and developments from U.S. commercial fusion companies [23] - The Shanghai Superconductor IPO aims to raise 1.2 billion yuan and is currently in the inquiry phase, with expectations for a successful listing in 2026 [23] - The Starfire project, a collaboration between Jiangxi Lianchuang and China Nuclear Fusion, aims to achieve a Q value greater than 30 and a continuous power output of 100 MW [23]

Investment Rating - The report maintains a recommendation for the superconducting magnet segment in the controllable nuclear fusion industry, highlighting it as the segment with the highest value contribution [2][10]. Core Insights - Superconducting magnets are critical components of the Tokamak device, essential for confining plasma at temperatures exceeding one hundred million degrees Celsius [6][15]. - The report emphasizes that controllable nuclear fusion is entering a capital expenditure expansion phase from 2025 to 2028, with significant market opportunities arising for high-temperature superconducting materials [9][10]. - The market for second-generation high-temperature superconducting materials is projected to grow at a compound annual growth rate (CAGR) of 59.3% from 2024 to 2030, reaching a market size of 4.9 billion yuan per year by 2030 [9][10]. Summary by Sections Superconducting Magnets: The Highest Value Segment in Controllable Nuclear Fusion - Superconducting magnets are the core components of Tokamak devices, crucial for maintaining high-temperature plasma confinement [6][15]. - The value contribution of low-temperature and high-temperature superconducting magnets is approximately 30% and 40%, respectively [6][28]. - Low-temperature superconducting technology is relatively mature, while high-temperature superconducting materials offer superior performance and are expected to be used in future Tokamak reactors [6][51]. Low-Temperature Superconducting Materials: Mature Technology and Complete Supply Chain - The low-temperature superconducting route has reached a relatively mature stage, with stable mass production capabilities [6][44]. - The supply chain is well-established, with core processing in the midstream and broad application potential downstream [6][44]. High-Temperature Superconducting Materials: Significant Opportunities from Nuclear Fusion - High-temperature superconducting materials can significantly reduce device size and are expected to become the core development direction for next-generation nuclear fusion devices [6][45]. - The midstream manufacturing of high-temperature superconducting materials is a critical segment, with controllable nuclear fusion being the largest application area [6][45]. Key Companies in the Industry - Shanghai Superconductor is a leading company in high-temperature superconducting materials, expected to play a central role in the commercialization of controllable nuclear fusion [10][10]. - Yongding Co., Ltd. is the controlling shareholder of East Superconductor, which has established close cooperation with multiple fusion reactors [10][10]. - Lianchuang Optoelectronics is positioned in the high-temperature superconducting magnet segment, maintaining stable traditional operations while exploring future growth in nuclear fusion and laser technologies [10][10]. - Xibu Superconductor is recognized as a domestic leader in low-temperature superconductors [10][10]. - Jingda Co., Ltd. is the largest shareholder of Shanghai Superconductor, strategically entering the high-temperature superconducting market [10][10].

Core Insights - The fusion energy sector is experiencing a significant surge, driven by a merger between Trump Media & Technology Group and a fusion energy company supported by Alphabet, valued at over $6 billion [1] - The International Energy Agency predicts that the global fusion market could approach $500 billion by 2030, indicating strong growth potential in the industry [1] Market Sector Analysis - **Superconducting Materials Sector**: The demand for high-performance superconducting magnets will increase significantly, benefiting companies capable of engineering production of NbTi superconducting wires and high-temperature superconducting tapes [2] - **High-end Equipment Manufacturing Sector**: Companies with capabilities in heavy equipment and system integration will see new orders due to the complex manufacturing processes involved in fusion devices [2] - **Specialized Power and Energy Storage Sector**: There will be a surge in demand for specialized power supplies and high-power capacitors necessary for fusion reactions, presenting market expansion opportunities for related suppliers [2] - **Key Materials and Components Sector**: Suppliers of critical components such as tungsten-based filters and high-temperature alloys are expected to receive high-value orders essential for the stable operation of fusion devices [2] - **Engineering Construction and System Integration Sector**: Companies with nuclear engineering experience will play a crucial role in the construction of fusion power plants as demonstration and commercial reactors are developed [2] Company Overview - **West Superconductor (688122)**: The only domestic supplier of low-temperature superconducting wires for the ITER project, focusing on high-performance superconducting wire research and industrialization [3] - **Dongfang Electric (600875)**: The sole domestic manufacturer of superconducting coils for ITER, providing core equipment such as magnet support systems and vacuum vessels [3] - **Antai Technology (000969)**: Supplies key components like tungsten-copper composite filters for EAST and ITER, holding a leading global position in the all-tungsten filter field [3] - **Guoguang Electric (688776)**: A leader in vacuum equipment for the nuclear industry, providing products for plasma control in EAST and vacuum testing equipment for CFETR [3] - **Xue Ren Group (002639)**: Engaged in hydrogen energy and fusion tritium circulation systems, focusing on low-temperature refrigeration and compressor technology, recently gaining market attention [3] - **Yongding Co., Ltd. (600105)**: High-temperature superconducting tapes are already applied in fusion magnets and superconducting induction heating, advancing the use of high-current superconducting materials in fusion reactors [3]