Investment Rating - The report does not explicitly state an investment rating for the diamond heat dissipation industry, but it highlights significant growth potential and market opportunities [1][23]. Core Insights - The diamond material exhibits superior thermal conductivity, making it a promising candidate for high-performance chip cooling solutions, especially as chip integration and power density increase [4][15]. - The diamond heat sink material has a thermal conductivity of 2000-2500 W/(m·K), which is four times that of copper and eight times that of aluminum, ensuring stability during temperature cycling [15][16]. - The market for diamond heat dissipation is projected to reach 9.7 billion yuan by 2032, indicating a substantial growth opportunity as technology matures [23][24]. Summary by Sections 1. Diamond Materials: Excellent Chip Cooling Materials - High-power chip cooling issues need urgent solutions, with diamond materials expected to be widely applied in aerospace, electronics, and other rapidly developing fields [4][6]. - The MPCVD method is identified as the optimal approach for producing semiconductor diamond materials, offering high purity and quality [21][19]. 2. Related Companies: World, Sifangda, Guojijinggong - **World**: A leading enterprise in superhard tools, with a stable revenue growth of 12.54% in 2024, focusing on diamond materials [26][28]. - **Sifangda**: A leader in composite superhard materials, with a focus on self-developed MPCVD equipment to expand applications in precision tools and chip heat sinks [30][33]. - **Guojijinggong**: A leading enterprise in superhard materials, showing accelerated revenue and net profit growth, with a focus on MPCVD equipment [34].

近期四方达（300179）频繁接待机构投资者调研。两个月来，相关调研记录公告已达六次。 1月22日晚间该公司披露的投资关系活动记录显示，市场关注热点聚焦于该公司产品在金刚石散热领域 及PCD微钻产品进展等。 四方达专注于金刚石领域的研究和开发，聚焦CVD金刚石产业链技术，自主研发的MPCVD合成及加工 设备和CVD金刚石工艺用于生产高品质大尺寸超纯CVD金刚石，并形成了多项专利。 对于PCD微钻产品，四方达表示，公司高度重视相关产品的研发，目前已具备生产适用于特定需求的微 钻钻针的能力。公司生产的PCD微钻钻头，具有寿命长、加工精度高及光洁度好等特点，随着PCD微钻 钻头产业的不断发展，可逐步降低国内高端制造业对进口精密及超精密加工工具的依赖，公司目前也在 持续关注PCD微钻在PCB板等高端制造领域的应用方向，同时积极探索和优化相关产品的性能。 对于公司资源开采类产品和精密加工类产品的市场趋势，四方达表示，资源开采/工程施工类产品，从 国内来看，中国经济回升向好，推动国内原油和天然气消费量总体保持增长，国内油田服务市场保持良 好回暖趋势，预计国内石油复合片下游需求将持续回升；从国外来看，因受市场需求不确定性、 ...

投资者关系活动记录表 编号：2026-002 | | 特定对象调研 ☑ | □分析师会议 | | | --- | --- | --- | --- | | 投资者关系活动 | □媒体采访 | □业绩说明会 | | | 类别 | □新闻发布会 | □路演活动 | | | | □现场参观 | □一对一沟通 | | | | 其他（电话会议） ☑ | | | | | 南方基金 李金哲 国海证券 孟美辰 | | | | 参与单位名称及 | | | | | 人员姓名 | 易方达基金 胡硕倬 | | | | | 财通证券 孟欣 | | | | | 浙商证券 曹馨茗 | | | | 时间 | 2026 年 1 月 22 日下午 | 15:00-16:00 | | | 地点 | 公司会议室结合线上会议 | | | | 上市公司接待人 | 董事会秘书兼财务总监 | 李炎臻 | | | 员 | 职工董事兼证券事务代表 | 杨易硕 | | | | 一、公司在金刚石散热领域的进展情况？ | 与相关人员就其关心的问题进行交流，以下为会谈纪要： | | | | | 金刚石具有禁带宽大、击穿场强高、热导率高等优点，可用于光 | | | 投资者 ...

Group 1: Pharmaceutical Industry - In December 2025, the National Medical Insurance Catalog successfully added 114 new drugs, including 50 innovative Class A drugs such as Teriparatide and the domestic ADC drug Lukanosatuzumab [1] - The commercial insurance innovative drug catalog includes 5 domestic CAR-T cell therapies, 2 imported Alzheimer's drugs, and rare disease medications, with CAR-T therapy costing over 1 million yuan per treatment if paid out of pocket [1] Group 2: Satellite Internet Industry - On December 4-5, the 2025 Satellite Internet Industry Ecosystem Conference was held, where Yuanxin Satellite signed a cooperation agreement with Airbus for low-orbit satellite aircraft connectivity [2] - The satellite internet industry is expected to reach a market size of 200-400 billion yuan by 2030, with an annual compound growth rate of 10%-28% [3] Group 3: Cultured Diamond Industry - The 2025 Cultured Diamond Industry Conference was held on December 6, signing 30 projects with a total investment of no less than 15 billion yuan [4] - The current market size of China's cultured diamond industry is approximately 14 billion yuan, projected to exceed 102.5 billion yuan by 2030 [4] Group 4: Optical Fiber Communication Industry - On December 5, China Telecom launched the world's first cross-border hollow-core optical fiber and ultra-low latency commercial transmission system [5] - The hollow-core optical fiber technology is expected to achieve a compound annual growth rate of 56.52% over the next six years [5]

Market Overview - High dividend assets strengthened, with the coal sector leading the gains, while banking, electricity, and transportation sectors also performed actively [2] - As of the morning close, the Shanghai Composite Index fell by 0.09%, the Shenzhen Component Index decreased by 0.19%, and the ChiNext Index dropped by 0.5% [2] Individual Stock Performance - Hai Xin Food reached a trading limit, marking its sixth consecutive rise, with the company confirming no major changes in its fundamentals [3] - Tianpu Co., a notable stock, resumed trading and saw a morning increase of 7.12%, despite a previous trading halt due to significant price fluctuations [3] - Tianpu Co. stock price surged by 451.8% from August 22 to November 27, indicating substantial trading risks [3] - Xinke Materials experienced a drop of over 1% initially but then surged to a trading limit, with over 740,000 shares still on the limit order at midday [5] Industry Highlights - The cultivated diamond sector saw significant gains, with companies like Sifangda and Huifeng Diamond experiencing substantial increases [8] - The 2025 Cultivated Diamond Industry Conference is set to take place on December 5-6 in Zhengzhou, aiming to unveil key projects and investments totaling no less than 15 billion yuan [8] - The cultivated diamond industry is characterized by technological breakthroughs that create new application scenarios, particularly in high-function materials essential for various strategic industries [8][9] - The demand for traditional superhard products is under pressure, but advancements in functional diamond technology are opening new growth opportunities, especially in high-end chip cooling applications [9]

Market Overview - High dividend assets strengthened, with the coal sector leading the gains, while banking, electricity, and transportation sectors also performed actively [1] - As of the morning close, the Shanghai Composite Index fell by 0.09%, the Shenzhen Component Index decreased by 0.19%, and the ChiNext Index dropped by 0.5% [1] Individual Stock Performance - Hai Xin Food reached its daily limit, marking its sixth consecutive rise, with the company confirming no violations of information disclosure and no significant changes in its fundamentals [3] - Tianpu Co., a notable stock, resumed trading and saw a morning increase of 7.12%, after a previous drop limit during the opening auction [3][5] - Tianpu Co. reported a cumulative increase of 451.8% in stock price from August 22 to November 27, indicating significant trading risks [5] Cultivated Diamond Sector - The cultivated diamond sector saw a rise, with stocks like Sifangda and Huifeng Diamond experiencing substantial gains [7] - The upcoming 2025 Cultivated Diamond Industry Conference in Zhengzhou is expected to unveil significant developments, including the establishment of the "Henan Province Cultivated Diamond Promotion Center" and the signing of approximately 30 key projects with a total investment of no less than 15 billion [11] - The cultivated diamond industry has been active this year, driven by technological breakthroughs and new application scenarios, particularly in high-function materials for strategic emerging industries [11][12] Industry Insights - Traditional superhard product demand is under pressure, but ongoing technological advancements in functional diamond materials are opening new growth opportunities [12] - The application of diamond for heat dissipation in high-end chips is recognized as a key development direction, especially as the semiconductor industry progresses towards smaller technology nodes [12]

Investment Rating - Industry investment rating is "Overweight" [1] Core Views - The report highlights that the A-share market indices have shown significant recovery, with the CSI 300, ChiNext 300, STAR 50, CSI 500, and CSI 1000 indices increasing by 1.64%, 4.68%, 3.21%, 3.14%, and 3.77% respectively, with the ChiNext 300 showing the most notable rebound [10][11] - The humanoid robot sector is identified as a crucial downstream application of AI technology, with domestic industrial manufacturing leading globally. The report anticipates that as products from companies like Tesla and Zhiyuan mature, the industry chain will accelerate [3][22] - The application of diamond heat dissipation is gaining recognition among downstream customers, particularly as the semiconductor industry progresses towards 2nm and 1nm technologies. The report emphasizes the importance of timely heat dissipation to maintain chip performance and reliability [3][22] - The 2025 Intel Technology Innovation and Industry Ecosystem Conference in Chongqing introduced the first dual-path cold plate liquid cooling server, indicating a growing demand for liquid cooling equipment driven by AI data center construction [3][22] - Optical Circuit Switch (OCS) technology is advancing rapidly, particularly with Google's development of next-generation technologies, which is expected to accelerate the industry chain [3][22] Summary by Sections Weekly Market Review - The humanoid robot sector has shown a mixed performance, with the top five gaining stocks being Lixing Co., Changying Precision, Chaojie Co., Ruineng Technology, and GAC Group, while the top five losing stocks include Huada Technology, Runhe Software, Jiangte Electric, Tonghui Electronics, and Lihexing [19][20] Recent Hotspots and Events - Invech's AI temperature control solution has achieved over 22% energy savings for data centers, addressing high energy consumption issues in the manufacturing industry's digital transformation [2][25] Key Emerging Industry Company Tracking - Zhongchuang Zhiling has announced a bank loan guarantee to support its subsidiary, while Guojijiang has highlighted the potential of diamond heat dissipation applications in the semiconductor field, with expected revenues exceeding 10 million yuan by 2025 [22][23] - Anpeilong is expanding its R&D team for force sensor products, aiming to enhance its capabilities in the robotics sector [23][24]

Market Overview - A-shares experienced significant adjustments this week, with major indices showing weekly changes of -3.77% for CSI 300, -5.99% for ChiNext 300, -5.54% for STAR 50, -5.78% for CSI 500, and -5.80% for CSI 1000, with ChiNext 300 showing the most pronounced decline [1] Company Performance - In the humanoid robot sector, stock performance was mixed, with the top five gainers being Weichuang Electric, Shida Group, Longxi Co., Henggong Precision, and Anpeilong, while the top five losers included Siling Co., Fangyuan Co., Baichuan Energy, Fulim Precision, and Xingyun Co. [1] Recent Events - Yushu Technology has completed its IPO guidance report, with CITIC Securities noting that the company has established the necessary governance structure, accounting practices, and internal controls to qualify for listing, and that its management and major shareholders are well-versed in the legal responsibilities and obligations of public companies [1] Industry Insights - Humanoid robots are considered a significant downstream application of AI technology, with China's industrial manufacturing capabilities leading globally, creating substantial scale effects. As companies like Tesla and Zhiyuan continue to innovate, the industry chain is expected to accelerate [2] - The Intel Technology Innovation and Industry Ecosystem Conference held on November 19 introduced a dual-path cold plate liquid cooling server, developed in collaboration with several companies, which utilizes domestic memory to enhance reliability while reducing energy consumption and operational costs [2] - The application of diamond heat dissipation is gaining recognition among downstream clients, as the semiconductor industry progresses towards smaller nodes, necessitating effective heat management to maintain chip performance and reliability [2]

Core Insights - The article presents a knowledge package focusing on advanced technologies in diamond heat dissipation, semiconductor, and AI cooling, aimed at understanding industry trends for 2025 [2][3]. Content Overview - The knowledge package includes materials on diamond materials, heat dissipation technologies, and semiconductor developments, curated from industry institutions and leading companies [3][6]. - Highlights of the materials include: - A PPT on diamond materials emphasizing their unique advantages in heat management [6]. - An in-depth report on the semiconductor industry discussing advanced packaging and future materials, with insights from companies like Nvidia and TSMC [6]. - Research on how AI is driving innovations in cooling systems [6]. - A report on CVD diamond applications and market prospects [6]. - In-depth analysis of the tool industry and superhard materials, indicating a growing demand for high-quality products [6]. Event Information - The 9th International Carbon Materials Conference and Industry Exhibition, Carbontech 2025, will be held from December 9-11 in Shanghai, featuring key topics such as CVD growth technology and heat dissipation applications [8][10]. - The event will include participation from renowned experts and companies, providing a platform for industry exchange [8][10]. - Registration for the event is open, with free admission for end-users from sectors like AI, consumer electronics, and robotics [20][21].

Group 1: Institutional Trading Insights - On the institutional trading leaderboard, 36 stocks were listed, with 21 experiencing net buying and 15 facing net selling [1] - The top three stocks with the highest net buying by institutions were: Sanxiang New Materials (6.55 billion), China Duty Free Group (5.17 billion), and Sifangda (1.41 billion) [1] Group 2: Sanxiang New Materials - Sanxiang New Materials saw a net purchase of 6.55 billion from one institution [2] - The company is currently supplying zirconium-based halide materials in small batches to downstream battery enterprises [2] Group 3: Diamond Industry - The diamond industry is highlighted for its stable quality and comprehensive product range, particularly in superhard materials manufacturing [2] - Diamonds are becoming a new semiconductor material due to their superior hardness, high-temperature resistance, and excellent thermal conductivity, with applications in high-power and high-frequency electronic devices [2] - The Pacific Securities report suggests that advancements in diamond cooling solutions could reshape the global competition landscape in cooling technology, with China being the largest producer of synthetic diamonds [3] Group 4: Lithium Battery Sector - The company is involved in the research, production, and application of lithium battery electrolyte and additive materials [5] - The main products in the new energy materials sector include ethylene carbonate (EC) and dimethyl carbonate (DMC), primarily used in lithium battery electrolytes [5] - The lithium battery industry is experiencing a favorable supply-demand balance, with significant price increases expected due to rising demand and limited supply expansion [5]