Core Viewpoint - The article discusses the development and investment landscape of diamond-based composite materials, highlighting various companies involved in this sector and their technological advancements. Company Overview - **Changsha Shenghua Microelectronics Materials Co., Ltd.** specializes in high-performance electronic packaging materials, including tungsten-copper and molybdenum-copper composites, with thermal conductivity reaching 600-800 W/m·K. The company has entered the supply chains of major players like Huawei and BYD for applications in 5G base stations and electric vehicles [5]. - **Nanjing Ruiwei New Materials Technology Co., Ltd.** focuses on new materials for chip cooling, collaborating with Nanjing University of Aeronautics and Astronautics. The company provides comprehensive thermal management solutions through thermal design and testing [6]. - **Xinfeng Advanced Materials** is a subsidiary of Hunan Xinfeng Technology, established in 2019, specializing in semiconductor materials and diamond-based composites. The company aims to produce 50 tons of high-performance low-cost diamond-copper materials by 2024, with plans to expand to 150 tons by 2025 [8]. - **Ningbo Saime Technology Co., Ltd.** was founded in 2018, focusing on lightweight, high-thermal-conductivity composite materials for applications in power chip packaging and 5G communications [9]. - **Anhui Shangxin Crystal Technology Co., Ltd.** specializes in high-end refractory metals and diamond-copper/aluminum composites, with a focus on medical and optical applications [12]. Investment Landscape - Various companies have secured funding rounds, indicating a growing interest in diamond-based composite materials. For instance, **Nanjing Ruiwei** completed an A+ round with several million yuan in funding [9]. - **Ningbo Saime Technology** has also attracted investment from major players like Jiangxi Copper Group, reflecting the strategic importance of this sector [10]. - **Haitexin New Materials Technology Co., Ltd.** is set to become a leading manufacturer of microelectronic packaging materials, with significant investments in production facilities [17]. Technological Advancements - Companies are leveraging advanced technologies such as chemical vapor deposition (CVD) and high-pressure high-temperature (HPHT) processes to enhance the performance of diamond-based materials [29]. - The thermal conductivity of diamond-copper composites is highlighted, with some products achieving thermal conductivity rates of 1800-2200 W/m·K, significantly outperforming traditional materials [30]. - The industry is witnessing innovations in manufacturing techniques, such as the development of ultra-thin diamond heat sinks and composite materials tailored for specific applications in aerospace and defense [22][24].

证券代码：002046 证券简称：国机精工 公告编号： 2025-064 国机精工集团股份有限公司 2025 年第四次临时股东会决议公告 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： 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前次股东会决议。 一、会议召开和出席情况 1、召开时间： 现场会议召开时间为：2025年10月27日 15:20 网络投票时间为： （1）深圳证券交易所交易系统投票时间为：2025年10月27日的 交易时间，即9:15-9:25，9:30-11:30，13:00-15:00。 （2）深圳证券交易所互联网投票系统投票时间为：2025年10月 27日9:15至15:00。 2、现场会议召开地点：郑州市新材料产业园区科学大道 121 号 公司会议室 3、召开方式：现场投票与网络投票相结合 4、召集人：公司董事会 5、主持人：公司董事长蒋蔚先生 6、本次股东会的召集、召开及表决程序符合有关法律、行政法 规、部门规章、规范性文件和公司章程的规定。 7、出席情况 通过网络投票的股东550人，代表股份10,891,43 ...

关于国机精工集团股份有限公司 2025 年第四次临时股东会的 法 律 意 见 书 致：国机精工集团股份有限公司 根据《中华人民共和国证券法》（以下简称"《证券法》"）、《中华人民共和国公司法》 （以下简称"《公司法》"）及中国证券监督管理委员会颁布的《上市公司股东会规则》（以 下简称"《股东会规则》"）、《律师事务所从事证券法律业务管理办法》（以下简称"《管 理办法》"）、《律师事务所证券法律业务执业规则（试行）》（以下简称"《执业规则》"） 等法律、法规、规范性文件及《国机精工集团股份有限公司章程》（以下简称"《公司章程》"） 的规定，北京海润天睿律师事务所(以下简称"海润天睿"或"本所")接受国机精工集团股份 有限公司（以下简称"公司"）委托，作为公司召开 2025 年第四次临时股东会（以下简称"本 次股东会"）的特聘专项法律顾问出具本法律意见书。 北京海润天睿律师事务所 公司已向本所保证和承诺，公司向本所律师提供的文件和所作的陈述和说明是真实、准确、 完整和有效的，并无任何隐瞒、虚假和重大遗漏之处，且文件材料为副本或复印件的，其与原 件一致。 本所律师对本次股东会的召集及召开的有关事实及公司提供的文件进 ...

1. Reported Industry Investment Rating - No information provided 2. Core Viewpoints of the Report - The diamond heat dissipation material of the reported company shows a promising commercial application prospect and is expected to develop rapidly in the next few years. The company's diamond functional applications are mainly diamond heat sinks and optical window sheets, with expected sales revenue exceeding 1 million yuan this year, all from non - civilian fields [23]. - The company's super - hard material grinding tool business has a large domestic substitution space in the chip field, and with the expansion of domestic chip production capacity and the improvement of product performance, it has good growth potential in the future [24]. - The company has included robot bearings in the "14th Five - Year" business sector plan, focusing on high - value - added products, and has not yet established a business relationship with humanoid robot companies [24]. - The development of commercial aerospace will bring new business growth opportunities to the company, as it has a market share of over 90% in the domestic aerospace bearing field [24]. - The company believes that the export control policy in October has little impact on it [25]. 3. Summary by Relevant Catalogs 3.1. Research Basic Situation - The research object is Guoji Precision Industry, belonging to the general equipment industry. The reception time was October 24, 2025, and the listed company's reception personnel were the board secretary Zhao Xianggong and the investor relations assistant Wang Zhiting [17]. 3.2. Detailed Research Institutions - The research institutions include Caitong Securities (with relevant personnel Meng Xin) and E Fund Management Co., Ltd. (with relevant personnel Zhang Yizhe) [18]. 3.3. Research Institution Proportion - No information provided 3.4. Main Content Data - **Diamond Heat Dissipation Application**: Diamond has excellent heat dissipation performance. Cost has restricted its wide - spread application. With the development of high - power devices and high - performance chips, diamond heat dissipation materials are attracting more attention from potential application manufacturers and are expected to develop rapidly. The company's diamond functional applications are mainly diamond heat sinks and optical window sheets, with expected sales revenue exceeding 1 million yuan this year, all from non - civilian fields [23]. - **Preparation Method of Diamond**: The company has focused on the microwave plasma chemical vapor deposition method since 2015 and has no current plan to invest in the hot - wire method. However, it will closely monitor the technical route and progress of diamond heat dissipation and may actively deploy in the hot - wire method if proven effective [23]. - **Advantages of MPCVD Method**: The MPCVD method has high quality and strong compatibility, with a wide range of compatible product lines such as optical window sheets [23]. - **Super - hard Material Grinding Tool Business**: In 2024, the revenue of the super - hard grinding tool business was about 580 million yuan, with downstream applications in semiconductor and non - semiconductor (automobile, refrigeration, LED, tool and die, etc.) fields. The products for the semiconductor field have grown significantly in recent years. The company's products have high performance and technical thresholds, and competitors are mainly international multinational enterprises [24]. - **Domestic Substitution Space in the Chip Field**: There is a large domestic substitution space in the chip field. With the expansion of domestic chip production capacity and the improvement of product performance, it has good growth potential in the future [24]. - **Robot Bearing Business**: The company has included robot bearings in the "14th Five - Year" business sector plan, focusing on high - value - added products such as crossed roller bearings, thin - walled bearings, and angular contact bearings. It has not yet established a business relationship with humanoid robot companies [24]. - **Impact of Commercial Aerospace Development**: The company has a market share of over 90% in the domestic aerospace bearing field. Products include rocket fuel turbine pump bearings, satellite momentum wheel bearing assemblies, and satellite battery solar panel bearings. The development of commercial aerospace will bring new business growth opportunities [24]. - **View on Export Control Policy**: The company believes that the export control policy in October has little impact on it [25].

Market Overview - The market indices experienced significant gains, with the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index rising by 0.71%, 2.02%, and 3.57% respectively, and over 3,000 stocks rising while more than 2,200 stocks fell [4] - The trading volume approached 2 trillion yuan, indicating increased market activity [4] - The Shanghai Composite Index reached a new high for the year, while the ChiNext Index also returned to near its yearly high [5] Storage Sector - The storage sector opened strongly, with several stocks hitting the daily limit, including Xianggang Technology, Dwei Co., and Purun Co., among others [8] - The flash memory and DRAM sectors saw increases of 8.25% and 7.92% respectively, driven by price hikes from major companies like Samsung and SK Hynix, which raised prices by up to 30% [8] - The surge in the storage sector was also influenced by a significant rise in U.S. storage stocks, particularly SanDisk, which increased by over 13.6% [8] Financial Sector - The financial sector initially lagged behind the market, with no mentions in the recent five-year plan, leading to a perception of underperformance [12] - However, after a statement from a senior financial official emphasizing the importance of high-quality financial development, the sector saw a rebound, with brokerage stocks gaining 0.85% by the end of the day [12] Technology and Robotics - Jinfutech experienced a sharp rise after announcing a collaboration with Shanghai Hanzhi Information Technology and receiving a manufacturing order for humanoid robots [16] - This marked a significant advancement in the company's involvement in the robotics sector, moving beyond mere partnerships to actual manufacturing contracts [16]

Core Points - The Shanghai Composite Index closed at 3950.31 points, above the five-day moving average, with a gain of 0.71% [1] - The total trading volume of A-shares reached 1,991.617 billion yuan [1] - A total of 681 A-shares have prices that surpassed the five-day moving average, indicating positive market momentum [1] Stock Performance Summary - The top three stocks with the highest deviation rates from the five-day moving average are: - Kexiang Co., Ltd. (300903) with a deviation rate of 13.92% and a daily increase of 20.00% [2] - Aerospace Intelligent Equipment (300455) with a deviation rate of 13.15% and a daily increase of 19.98% [2] - Anhui Instrument Technology (688600) with a deviation rate of 10.85% and a daily increase of 14.27% [2] - Other notable stocks include: - Shenkong Co., Ltd. (688233) with a deviation rate of 10.55% and a daily increase of 17.34% [2] - Hengshuo Co., Ltd. (688416) with a deviation rate of 9.57% and a daily increase of 18.08% [2] - Lianyun Technology (688449) with a deviation rate of 9.44% and a daily increase of 13.22% [2]

Group 1: Diamond Applications - Diamond has excellent thermal conductivity, and its application in heat dissipation is gaining attention due to the increasing demand from high-power devices and high-performance chips. The commercialization prospects are bright, with expected rapid development in the coming years [2]. - The company's diamond functional applications mainly include diamond heat sinks and optical window pieces, with projected sales revenue exceeding 10 million yuan this year, all from non-civilian sectors [2]. Group 2: Manufacturing Techniques - The company has focused on microwave plasma chemical vapor deposition (MPCVD) since 2015 and currently has no plans to invest in the hot wire method for diamond production. However, it will monitor advancements in this area for potential future investment [2]. - MPCVD offers high quality and strong compatibility, allowing for a wide range of compatible products, such as optical window pieces [2]. Group 3: Superhard Materials Business - The revenue from the superhard materials business is approximately 580 million yuan in 2024, with applications in both semiconductor and non-semiconductor fields (automotive, refrigeration, LED, tooling, etc.). The semiconductor sector has seen significant growth in recent years [3]. - There is substantial domestic substitution potential in the semiconductor field, driven by the expansion of domestic chip production capacity and improvements in product performance [3]. Group 4: Robotics and Aerospace - The company has included robotic bearings in its "14th Five-Year" business plan, focusing on high-value-added products such as crossed roller bearings, thin-walled bearings, and angular contact bearings. Currently, there are no direct business relationships with humanoid robot companies [3]. - The company holds over 90% market share in domestic aerospace bearings, with products used in rocket fuel turbine pump bearings, satellite momentum wheel bearing assemblies, and satellite solar panel bearings. The development of commercial aerospace presents new growth opportunities [3]. Group 5: Export Control Policy - The company believes that the recent export control policy will have minimal impact on its operations [3].

Market Overview - The general equipment sector increased by 1.55% on October 24, with Wan Yi Technology leading the gains [1] - The Shanghai Composite Index closed at 3950.31, up 0.71%, while the Shenzhen Component Index closed at 13289.18, up 2.02% [1] Top Gainers in General Equipment Sector - Wan Yi Technology (688600) closed at 24.66, up 14.27% with a trading volume of 73,800 shares and a turnover of 178 million [1] - Kang Si Te (300445) closed at 20.13, up 11.52% with a trading volume of 192,900 shares and a turnover of 386 million [1] - Zhejiang Huaye (301616) closed at 56.17, up 10.53% with a trading volume of 70,300 shares and a turnover of 395 million [1] - Other notable gainers include Shanghai Chongding (603131), Guoji Jinggong (002046), and Qiaofeng Intelligent (301603) with respective increases of 10.00%, 9.99%, and 9.86% [1] Top Losers in General Equipment Sector - Huanghe Xuanfeng (600172) closed at 6.96, down 9.96% with a trading volume of 4,182,800 shares and a turnover of 298.6 million [2] - Ningbo Jingda (603088) closed at 10.25, down 7.07% with a trading volume of 323,600 shares and a turnover of 337 million [2] - Moqi Technology (301360) closed at 82.22, down 5.49% with a trading volume of 58,500 shares and a turnover of 49.6 million [2] Capital Flow Analysis - The general equipment sector saw a net inflow of 447 million from institutional investors, while retail investors contributed a net inflow of 294 million [2][3] - Notable stocks with significant capital flow include Ju Li Suo Ju (002342) with a net inflow of 293 million from institutional investors, and Guoji Jinggong (002046) with a net inflow of 219 million [3] - Conversely, retail investors showed a net outflow in several stocks, including Guoji Jinggong and Shanghai Chongding, indicating a mixed sentiment in the market [3]

Group 1: Diamond Applications - Diamond has excellent thermal conductivity, and its application in heat dissipation is gaining attention due to the increasing demand from high-power devices and high-performance chips. The commercialization prospects are bright, with expected rapid development in the coming years [2]. - The company's diamond functional applications mainly include diamond heat sinks and optical window pieces, with projected sales revenue exceeding 10 million yuan this year, all from non-civilian sectors [2]. Group 2: Manufacturing Techniques - The company has focused on microwave plasma chemical vapor deposition (MPCVD) since 2015 and currently has no plans to invest in the hot wire method for diamond production. However, it will monitor advancements in this area for potential future investment [2]. - MPCVD offers high quality and strong compatibility, allowing for a wide range of compatible products, such as optical window pieces [2]. Group 3: Superhard Materials Business - The revenue from the superhard materials business in 2024 is expected to be around 580 million yuan, with applications in both semiconductor and non-semiconductor fields (automotive, refrigeration, LED, tooling, etc.) [3]. - There is significant potential for domestic substitution in the semiconductor sector, driven by the expansion of domestic chip production capacity and improvements in product performance [3]. Group 4: Robotics and Aerospace - The company has included robotic bearings in its "14th Five-Year" business plan, focusing on high-value-added products like crossed roller bearings and thin-walled bearings, although no direct business relationships with humanoid robot companies have been established yet [3]. - The company holds over 90% market share in domestic aerospace bearings, with products used in rocket fuel turbine pump bearings and satellite components. The development of commercial aerospace is expected to create new business growth opportunities [3]. Group 5: Export Control Policy - The company believes that the recent export control policy will have minimal impact on its operations [3].

Group 1 - The A-share market is experiencing a collective rise, with the Shanghai Composite Index increasing by 0.38%, driven by sectors such as electronic components, semiconductors, and aerospace military industry, while gas and energy equipment sectors are declining [1] - The machine tool sector is active, with the Machine Tool ETF (159663) rising by 0.35%, and notable individual stocks such as Guoji Precision Engineering increasing by 9.99%, Qiaofeng Intelligent by 4.78%, and Nuowei CNC by 3.47% [1] Group 2 - The five-axis linkage CNC machine tool market in China is rapidly growing, with the market size projected to increase from 6.82 billion yuan in 2020 to 12 billion yuan in 2024, reflecting a compound annual growth rate of 15.2% [3] - The Chinese machine tool industry is undergoing a significant transformation, driven by strong policy support and manufacturing upgrades, shifting from mid-to-low-end expansion to a comprehensive strategic transformation towards high-end, intelligent, green, and service-oriented manufacturing [3] - The Machine Tool ETF (159663) closely tracks the China Securities Machine Tool Index, which encompasses key sectors in high-end equipment manufacturing, including laser equipment, machine tools, robots, and industrial control equipment, emphasizing innovation-driven and industry upgrade practices [3]