Group 1 - The cultivated diamond sector experienced an initial rise on February 9, with significant gains in several companies [1] - Sifangda saw an increase of nearly 9%, while Huanghe Xuanfeng and Power Diamond both rose over 5% [1] - Jing Sheng Mechanical and Chao Hong Ji also showed positive movement, with increases exceeding 4% [1]

（文章来源：证券日报） 证券日报网讯 2月6日，四方达在互动平台回答投资者提问时表示，公司金刚石合成技术主要以HTHP （高温高压）法和CVD（化学气相沉积）法为主。在生产布局上，HTHP技术主要应用于聚晶金刚石的 制备，而单晶金刚石则主要采用CVD法进行合成。 ...

证券代码：300179 证券简称：四方达 公告编号：2026-002 河南四方达超硬材料股份有限公司 关于公司控股子公司为其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。 特别提示 本次被担保对象郑州天璇新材料有限公司的资产负债率超过 70%，敬请广大 投资者注意投资风险。 一、担保情况概述 河南四方达超硬材料股份有限公司（以下简称"公司"或"四方达"）于 2025 年 3 月 26 日召开第六届董事会第九次会议和第六届监事会第十次会议， 2025 年 4 月 22 日召开 2024 年度股东大会审议通过了《关于公司及控股子公司 为子公司申请银行授信额度提供担保的议案》。公司合并报表范围内子公司郑州 天璇新材料有限公司（以下简称"天璇新材料"）拟向银行申请最高不超过 40,000.00 万元授信额度，公司拟为天璇新材料相关授信业务提供担保，最高担 保额度不超过 18,725.00 万元，在该担保事项实际发生时，天璇新材料将为该担 保事项向公司提供反担保；同时，天璇新材料作为河南天璇半导体科技有限责任 公司（以下简称"河南天璇"或" ...

Group 1 - The core point of the news is that Sifangda's stock price dropped by 5.03% to 18.87 CNY per share, with a trading volume of 217 million CNY and a turnover rate of 3.02%, resulting in a total market capitalization of 9.166 billion CNY [1] - Sifangda, established on March 5, 1997, and listed on February 15, 2011, is located in the Zhengzhou area of the Henan Free Trade Zone and specializes in the research, production, and sales of superhard materials and related products [1] - The company's main business revenue composition includes resource extraction/engineering construction at 60.34%, precision processing at 30.20%, and others at 9.46% [1] Group 2 - Among Sifangda's top ten circulating shareholders, a fund under the Fortune Fund ranks as a new entrant, holding 2.3621 million shares, which accounts for 0.63% of the circulating shares [2] - The Fortune Growth Mixed Fund (161040), established on July 14, 2020, has a latest scale of 1.267 billion CNY, with a year-to-date return of 5.44% and a one-year return of 68% [2] - The fund manager, Cao Jin, has a tenure of 12 years and 295 days, with a total fund asset scale of 13.934 billion CNY, achieving a best fund return of 457.5% during his tenure [2]

Group 1 - The cultivated diamond sector is experiencing a downturn, with Huanghe Xuanfeng hitting the daily limit down [1] - Companies such as Mankalon, Power Diamond, Huifeng Diamond, Jingsheng Mechanical Electric, Sifangda, and Chuanjiang New Materials are also seeing declines [1]

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].

Core Insights - The cultivated diamond sector is leading the market with a rise of 2.21% [1] Company Performance - Huanghe Xuanfeng increased by 10.06% [1] - China Gold rose by 10.04% [1] - Sifangda saw an increase of 6.31% [1] - Power Diamond and Zhongbing Hongjian both experienced gains of over 2% [1]

富国创业板两年定期开放混合（161040）成立日期2020年7月14日，最新规模12.67亿。今年以来收益 8.27%，同类排名3028/8864；近一年收益72.52%，同类排名786/8126；成立以来收益97.6%。 富国创业板两年定期开放混合（161040）基金经理为曹晋。 截至发稿，曹晋累计任职时间12年287天，现任基金资产总规模139.34亿元，任职期间最佳基金回报 448%， 任职期间最差基金回报6.15%。 声明：市场有风险，投资需谨慎。 本文基于第三方数据库自动发布，任何在本文出现的信息（包括但 不限于个股、评论、预测、图表、指标、理论、任何形式的表述等）均只作为参考，不构成个人投资建 议。受限于第三方数据库质量等问题，我们无法对数据的真实性及完整性进行分辨或核验，因此本文内 容可能出现不准确、不完整、误导性的内容或信息，具体以公司公告为准。如有疑问，请联系 biz@staff.sina.com.cn。 责任编辑：小浪快报 1月28日，四方达跌5.45%，截至发稿，报20.99元/股，成交13.23亿元，换手率15.78%，总市值101.95亿 元。 资料显示，河南四方达超硬材料股份有限公 ...

Group 1 - The superhard materials sector has seen a resurgence, with Huanghe Xuanfeng achieving a consecutive two-day increase in stock price [2] - Huifeng Diamond's stock rose by over 10%, indicating strong market interest [2] - Other companies in the sector, including Power Diamond, Sifangda, Zhongbing Hongjian, and Guoji Jinggong, also experienced stock price increases [2]

此外"美国希望加快国内人造钻石的生产。 "人造钻石项目涉及全球领先钻 （个股转发:财通机械） 美日两国拟投资合成钻石生产：金刚石材料必要性&紧迫性得到国际认可，重视具备完善工业化生产能力的-沃尔 德、四方达！【财通机械佘炜超团队】-1.28 #事件：在美国建设人造钻石工厂是日本拟议的5500亿美元投资核心项目之一，或将成为首批公布的项目之一，计 划最早于3月日本首相高市早苗访美前公布。 此外"美国希望加快国内人造钻石的生产。 （个股转发:财通机械） 美日两国拟投资合成钻石生产：金刚石材料必要性&紧迫性得到国际认可，重视具备完善工业化生产能力的-沃尔 德、四方达！【财通机械佘炜超团队】-1.28 #事件：在美国建设人造钻石工厂是日本拟议的5500亿美元投资核心项目之一，或将成为首批公布的项目之一，计 划最早于3月日本首相高市早苗访美前公布。 公司12英寸金刚石热沉片也已做好样品，内部测试完成后预计将尽快送样。 此外新客户送样验证结果良好，期待后续进展！ #沃尔德：进度：（1）之前公司9月送的是12英寸薄片，近期已送样小尺寸加微流道的厚片，台湾客户已展开测 试。 （2）12英寸微流道厚片公司正在制作加工，预期26 ...