Industry Overview - The optical fiber amplifier is a core component in optical fiber communication, primarily used to enhance optical signals for high-quality, long-distance transmission [1][14] - The demand for optical fiber amplifiers in China is increasing due to the implementation of the "Broadband China" strategy and the rapid development of 5G networks and data centers [1][14] - The market size for optical fiber amplifiers in China is projected to reach approximately 19.387 billion yuan by 2024 [1][14] Market Dynamics - Government investments in communication infrastructure are driving the growth of the optical fiber amplifier market, facilitating the widespread adoption of broadband internet and 5G networks [1][14] - There is a growing consumer demand for high-speed, stable, and secure network services, prompting operators and manufacturers to enhance research and development of optical fiber amplifiers [1][14] Industry Development History - The optical fiber amplifier industry in China started relatively late, initially relying on foreign technology until the successful development of the Erbium-Doped Fiber Amplifier (EDFA) in 1987 [6] - Domestic companies like Yifang Communication and Huawei have made significant advancements in EDFA technology, achieving performance levels close to international standards [6][7] Industry Chain - The upstream of the optical fiber amplifier industry chain includes raw materials such as specialty optical fibers, pump sources, optical components, and electronic components [9] - The midstream involves the manufacturing of optical fiber amplifiers, while the downstream applications span communication networks, data centers, broadcasting networks, military, aerospace, and industrial lasers [9] Key Companies - Major companies in the optical fiber amplifier industry include Huawei, ZTE, and Yifang Communication, which leverage technological innovation and product development to capture significant market shares [17][18] - ZTE reported a projected revenue of 121.3 billion yuan in the telecommunications equipment manufacturing sector for 2024 [19] - Yifang Communication is recognized as a leading supplier in the optical communication device market, with a focus on maintaining competitive advantages through high R&D investment [21] Future Trends - The optical fiber amplifier industry is expected to focus on high-performance and low-noise technology breakthroughs to meet the demands of long-distance transmission and high-speed communication [24] - The integration of AI for real-time monitoring and adaptive control of optical signals is anticipated to become mainstream, enhancing network performance and operational efficiency [25] - The industry is also moving towards miniaturization and energy efficiency, with advancements in silicon photonics technology driving the development of compact amplifier modules [27] - Emerging applications in quantum communication, laser radar, and medical optics are expected to expand the role of optical fiber amplifiers beyond traditional telecommunications [28]

Market Performance - The controllable nuclear fusion concept declined by 0.80%, ranking among the top declines in the concept sector, with notable declines in stocks such as Baile Electric, Shun Sodium, and Xue Ren [1] - In contrast, 23 stocks within the sector experienced price increases, with Pan-Asia Micro-Transparent, Xuguang Electronics, and Chujian New Materials leading the gains at 6.13%, 5.12%, and 3.62% respectively [1] Capital Flow - The controllable nuclear fusion concept saw a net outflow of 1.297 billion yuan, with 43 stocks experiencing net outflows, and 8 stocks seeing outflows exceeding 50 million yuan [2] - Baile Electric led the net outflow with 414.37 million yuan, followed by Xue Ren, Yongding, and Shun Sodium with net outflows of 136.02 million yuan, 120.57 million yuan, and 87.58 million yuan respectively [2] Top Gainers and Losers - The top gainers in the controllable nuclear fusion concept included stocks like Xiamen Tungsten, Xuguang Electronics, and Guoguang Electric, with net inflows of 82.02 million yuan, 33.49 million yuan, and 28.84 million yuan respectively [2][4] - The stocks with the largest declines included Baile Electric at -9.87%, Xue Ren at -6.96%, and Shun Sodium at -8.93% [2][3]

重要内容提示: 江苏永鼎股份有限公司关于 为子公司申请年度银行授信提供担保的进展公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述或者 重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 证券代码：600105 证券简称:永鼎股份 公告编号：临 2025-035 ●被担保人名称及是否为上市公司关联人：武汉永鼎光电子技术有限公司（以下 简称"武汉光电子"）、苏州永鼎国际贸易有限公司（以下简称"国际贸易"）、金 亭汽车线束（苏州）有限公司（以下简称"苏州金亭"）、上海永鼎光电子技术有限 公司（以下简称"上海光电子"）为上市公司合并报表范围内子公司，不存在其他关 联关系。 ●本次担保金额及已实际为其提供担保的余额： 1、本次为控股子公司武汉光电子申请银行授信提供担保，担保额为人民币 1,000.00 万元，本公司已实际为其提供担保的余额 2,500.00 万元人民币<含本次>。 2、本次为控股子公司国际贸易申请银行授信提供担保，担保额为人民币 800.00 万元，本公司已实际为其提供担保的余额 800.00 万元人民币<含本次>。 3、本次为全资子公司苏州金亭申请银行授信提供担保 ...

Summary of Yongding Co., Ltd. Conference Call Company Overview - **Company**: Yongding Co., Ltd. - **Date**: June 10, 2025 Industry Focus - **Key Industries**: Superconducting wire materials, optical chips, traditional optical products, and overseas power engineering projects Core Insights and Arguments 1. **Expansion in Superconducting Wire Materials**: Yongding is actively expanding its superconducting wire materials business, establishing partnerships with various enterprises and research institutions. The market demand is rapidly increasing, particularly in the controlled nuclear fusion sector, with plans to expand production capacity to 20,000 kilometers to meet this demand [2][7][13] 2. **Optical Chip Factory Completion**: The optical chip factory was completed in June 2023, and the company has established connections with leading domestic manufacturers. Sales are expected to see breakthroughs in the second half of this year and next year [4][2] 3. **Stable Traditional Business**: The traditional business segments, including optical rods, fibers, and cables, are maintaining stability. Overseas projects, such as the Bangladesh power grid renovation project valued at $1.14 billion, are expected to contribute to sales [6][2] 4. **Broad Market Prospects for Superconducting Materials**: The superconducting wire market has vast potential, with applications in controlled nuclear fusion, maglev transportation, MRI medical technology, and military sectors. However, domestic production capacity is currently insufficient [7][2] 5. **High Technical Barriers**: The technical barriers in superconducting materials are significant, primarily due to R&D investment and intellectual property accumulation. Yongding has invested heavily and developed core processes, making it one of the few manufacturers capable of large-scale production globally [10][2] 6. **Future Development Strategy**: The company plans to accelerate capacity expansion to meet growing market demand while continuing to push for technological advancements. The focus will be on developing optical chips and superconducting wire materials [8][9][2] Additional Important Points 1. **Market Demand Growth**: The demand for superconducting wire materials in the controlled nuclear fusion field has significantly increased, with requirements growing from several kilometers to potentially hundreds of kilometers in the coming years [3][2] 2. **Challenges in Material Development**: The compact design of devices poses challenges for internal materials, and while the issue of quenching has not been fully resolved, existing superconducting materials meet current design requirements [12][2] 3. **Production Capacity and Profitability**: Yongding aims to achieve a production capacity of 5,000 kilometers by the end of 2025, with current capacity exceeding 2,000 kilometers. The company plans to rapidly expand to 18,000 to 20,000 kilometers by 2026 [13][2] 4. **Diverse Applications Beyond Fusion**: The company is also making significant progress in various superconducting applications, including magnetic levitation technology and military applications, while also planning to promote superconducting cables and power applications [14][2] 5. **Strategic Layout in Optical and Electrical Fields**: Yongding's strategic layout focuses on enhancing its supply chain in both optical and electrical fields, with an integrated solution in the optical sector and increased investment in electric vehicle wiring and superconducting power [15][2]

证券代码：600105 证券简称:永鼎股份 公告编号：临 2025-035 江苏永鼎股份有限公司关于 为子公司申请年度银行授信提供担保的进展公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述或者 重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 重要内容提示: ●被担保人名称及是否为上市公司关联人：武汉永鼎光电子技术有限公司（以下 简称"武汉光电子"）、苏州永鼎国际贸易有限公司（以下简称"国际贸易"）、金 亭汽车线束（苏州）有限公司（以下简称"苏州金亭"）、上海永鼎光电子技术有限 公司（以下简称"上海光电子"）为上市公司合并报表范围内子公司，不存在其他关 联关系。 ●本次担保金额及已实际为其提供担保的余额： 1、本次为控股子公司武汉光电子申请银行授信提供担保，担保额为人民币 1,000.00 万元，本公司已实际为其提供担保的余额 2,500.00 万元人民币<含本次>。 2、本次为控股子公司国际贸易申请银行授信提供担保，担保额为人民币 800.00 万元，本公司已实际为其提供担保的余额 800.00 万元人民币<含本次>。 3、本次为全资子公司苏州金亭申请银行授信提供担保 ...

Investment Rating - The report maintains a "Buy" rating for Lianchuang Optoelectronics (600363.SH) and an "Increase" rating for Chip Origin Technology (688521.SH) [15][33]. Core Insights - The report highlights the recent achievement of China's new generation artificial sun, "China Circulation No. 3," which reached a plasma current of 1 million amperes and an ion temperature of 100 million degrees, marking significant progress in controlled nuclear fusion [4][13]. - Concerns are raised regarding the potential suspension of EDA (Electronic Design Automation) services to China by Siemens, which could impact the domestic semiconductor industry, emphasizing the need for self-sufficiency in EDA and IP services [5][14][6]. Market Performance - The electronic industry experienced a slight increase of 0.17% from May 26 to May 30, ranking 24th among the primary industries [23][26]. - The electronic industry's price-to-earnings (P/E) ratio stands at 57.64, with the highest valuations found in the computer, defense, and media sectors [23][26]. Industry Dynamics - The report notes that the EDA market is dominated by three major players: Synopsys, Cadence, and Siemens EDA, which collectively hold a 70% market share in mainland China [6][14]. - The report suggests focusing on domestic EDA and IP service providers such as Huada Jiutian, Guangliwei, and others due to the increasing importance of self-sufficiency in the industry [6][14]. Company Performance and Forecasts - Key companies in the report include: - Lianchuang Optoelectronics (600363.SH) with a projected EPS of 1.37 for 2025 and a P/E of 44.50 [15][33]. - Chip Origin Technology (688521.SH) with a projected EPS of 0.02 for 2025 and a P/E of 4365.50, rated as "Increase" [15][33]. - Other companies such as Guangliwei and Huada Jiutian are mentioned but remain unrated [15][33]. Sector Analysis - The report indicates that the passive components, printed circuit boards, and integrated circuit manufacturing sectors saw the highest growth during the review period [26][30]. - The semiconductor materials and optical components sectors ranked fourth and fifth in terms of valuation [26].

Investment Rating - The report maintains a "Buy" rating for Lianchuang Optoelectronics (600363.SH) and an "Increase" rating for Xinyuan Technology (688521.SH) [15][33]. Core Insights - China's new generation artificial sun, "China Circulation No. 3," has achieved a record of one million amperes and one billion degrees H mode, indicating significant progress in controlled nuclear fusion technology [4][13]. - Siemens' EDA division may suspend support for mainland China, which highlights the increasing importance of domestic EDA and IP service providers in the face of geopolitical tensions [5][14][6]. Market Performance - From May 26 to May 30, the electronic industry rose by 0.17%, ranking 24th among the primary industries, with a P/E ratio of 57.64 [23][26]. - The semiconductor sector is experiencing a mixed performance, with passive components, printed circuit boards, and integrated circuit manufacturing showing the highest gains [26][30]. Company Focus - Key companies to watch in the controlled nuclear fusion equipment and components supply chain include Lianchuang Optoelectronics, Yongding Co., Hefei BEST, Guoguang Electric, and others [4][13]. - In the EDA sector, domestic companies such as Huada Jiutian, Guangliwei, and others are recommended for attention due to the potential supply disruptions from major EDA providers [5][6][14]. Valuation and Earnings Forecast - The report provides earnings per share (EPS) and price-to-earnings (P/E) ratios for various companies, indicating significant variations in valuation across the sector [15][33]. - For instance, Lianchuang Optoelectronics is projected to have an EPS of 1.37 in 2025 with a P/E of 44.50, while Xinyuan Technology is expected to have an EPS of 0.02 with a P/E of 4365.50 [15][33].

Investment Rating - Industry rating is maintained at "Outperform" [1] Core Insights - The report highlights significant breakthroughs in China's controllable nuclear fusion technology, with the "Chinese Circulation No. 3" achieving a plasma current of one million amperes and ion temperature reaching 100 million degrees, marking a new high in fusion parameters [3][6] - The advancements in nuclear fusion technology position China as a leader in the field, paving the way for future commercialization and potential growth opportunities for related upstream and downstream enterprises [3] Summary by Sections Industry Overview - The report discusses the continuous progress in controllable nuclear fusion technology in China, with key projects like the "Xuanlong-50U" achieving critical engineering breakthroughs [3][4] - The comprehensive parameters of fusion triple product have reached the order of 10^20, indicating significant advancements in the field [3] Key Companies to Watch - Recommended companies include: - Lianchuang Optoelectronics, a leading supplier of high-temperature superconducting magnets, which are crucial for compact tokamak devices [4] - Yongding Co., a major supplier of high-temperature superconducting strips [4] - Guoguang Electric, which provides various components for controllable nuclear fusion devices [4]

可控核聚变行业由于较高的技术门槛，较少的企业参与其中，且当前仍处于技术攻关阶段，商业化不 足，科研主体为中国科学院合肥物质研究院等离子体物理研究所和核工业西南物理研究院(隶属于中国 核工业集团有限公司)等研究机构，项目建设中向相关企业采购相关材料设备。中国核建承担ITER核心 安装工程，掌握全超导托卡马克装置建造技术;中国核电牵头组建可控核聚变创新联合体，并于2025年2 月斥资10亿元入股中国聚变能源公司，这两家是国内可控核聚变产业的龙头企业。此外，西部超导、永 鼎股份、联创光电、上海电气等企业也参与了可控核聚变装置中关键器件的布局，能量奇点、瀚海聚 能、星环聚能等民营企业也参与可控核聚变中部分关键设计和技术研发工作。 行业主要上市公司：安泰科技(000969.SZ)，中国广核(003816.SZ)，永鼎股份(600105.SH)，西部超导 (688122.SH)，上海电气(601727.SH)等 中国可控核聚变行业整体竞争格局 中国可控核聚变行业市场区域竞争格局 通过企查猫，通过检索"可控核聚变"、登记状态为"存续/在业"的机构，截至2025年3月25日，中国相关 企业及研究院所共计170家，从我国可控核 ...

Group 1: Market Overview - The market has seen an increase, surpassing 4200, driven by a court ruling invalidating tariffs imposed by the US, which has boosted global risk appetite [1] - The strongest sectors today include autonomous driving and stablecoins, indicating a shift in investor focus [1] Group 2: Nuclear Fusion Research - The Southwestern Institute of Physics has achieved a new operational record for fusion devices in China, highlighting advancements in nuclear fusion research [2][1] - This development raises questions about the potential for this niche sector to gain traction and attract investment [2] Group 3: Company Involvement in Nuclear Fusion - Yongding Co., Ltd. has achieved leading performance in wire rod length and low-temperature strong magnetic field applications, with products used in superconducting induction heating and fusion magnets, maintaining close cooperation with the Southwestern Institute of Physics [6] - Chenguang Medical has ongoing technical communication with the Southwestern Institute regarding the supply of superconducting magnets, contingent on specific procurement needs [7] - Qiaoyuan Co. has established a reputation in the medical sector and maintains relationships with military research institutions, including the Southwestern Institute [8] - Lansi Heavy Industry is involved in the development of nuclear fusion-related products and has successfully applied a new type of heat exchanger in a fusion engineering project [9][10] - Guoguang Electric has received a provincial science and technology award for a project in collaboration with the Southwestern Institute focused on high-sensitivity leak detection technology for fusion components [10] - Antai Technology is at the forefront of research and manufacturing in fusion filter components, collaborating with the Southwestern Institute [11] - Hekang New Energy provides operational and maintenance services for high-voltage water-cooled variable frequency systems used by the Southwestern Institute [11] - Jingye Intelligent is exploring cooperation in remote operation and maintenance technology for fusion reactors with the Southwestern Institute [12] - Yingjie Electric serves various research institutions, including the Southwestern Institute, providing power supplies for scientific research and experimental testing [13]