国机精工集团股份有限公司投资者关系活动记录表 编号：2025—026 | | 答：金刚石产业目前主要分为结构化应用和功能化应用两大方 | | --- | --- | | | 向，其中功能化应用包括散热片、光学窗口片等，金刚石散热未来有 | | | 望应用于芯片制造领域，但现阶段仍处于产业化萌芽期。该领域因人 | | | 工智能发展带来的高散热需求而受到关注，可能推动金刚石从"可选" | | | 转变为"必选"材料。 | | | 公司基于行业长期发展趋势，2015 年开始布局金刚石功能化应用 | | | 方向，选择 MPCVD 法作为技术路线，该路线的优点一是生成的金刚石 | | | 片品质高，二是兼容性强，MPCVD 路线兼容的产品线范围较多，可生 | | | 长散热片、光学窗口片及未来合成半导体芯片材料。 | | | 公司自 2023 年开始在散热和光学窗口实现部分收入，2025 年有 | | | 望超过 1000 万元，目前应用领域主要是非民用领域，民用领域处于 | | | 国内头部厂商进行产品测试阶段，如果进展顺利，预计 2026 年可出 | | | 测试结果。 | | | 3.超硬材料磨具业务开展情况 ...

Group 1: Diamond Heat Dissipation Business - The company began its diamond heat dissipation business in 2015, focusing on the MPCVD method for producing heat sinks and optical window pieces, with initial revenue starting in 2023 from non-civilian applications [2][3] - The company currently has no plans to invest in the hot wire method for diamond production but will monitor advancements in this area [2][3] - MPCVD method offers high quality and strong compatibility with various product lines, including optical window pieces [2][3] Group 2: Cost Reduction Strategies - The company aims to reduce costs through innovations across the entire supply chain, including seed plates, equipment, deposition processes, and processing stages [2][3] Group 3: Future Development Plans - The company holds a 67% stake in the National Machine Diamond Company, which operates the superhard materials business, with future plans for "one center and three industrial parks" layout [3] - The superhard materials grinding tools business is projected to generate approximately 580 million yuan in revenue in 2024, with significant growth in semiconductor applications [3] Group 4: Sales Channels and Market Position - Cultivated diamond rough is primarily sold through distributors, with the company also operating its own retail brand "Daino" with three stores in Shanghai [3] - The company holds over 90% market share in domestic aerospace bearings, with products used in rocket fuel turbine pump bearings and satellite components [3]

Group 1: Diamond Heat Dissipation Business - The company began its diamond functionalization applications in 2015, focusing on the MPCVD method to produce heat sinks and optical window pieces, with revenue starting in 2023 primarily from non-civilian sectors [2] - Expected sales revenue from diamond functional applications is projected to exceed 10 million yuan this year, all from non-civilian fields [2] Group 2: Superhard Materials Tools Business - Revenue from the superhard tools business is approximately 580 million yuan in 2024, with applications in semiconductor and non-semiconductor sectors [3] - Products for the semiconductor sector have seen significant growth in recent years [3] Group 3: Semiconductor Sector Growth - The semiconductor business has shown a positive growth trend, focusing on enhancing product performance to increase market share in the packaging testing segment [3] Group 4: Cultivated Diamond Market - The price of cultivated diamonds has stabilized this year, with rough diamonds primarily sold through distributors and the company’s own retail brand "Daino" operating three stores in Shanghai [3] Group 5: Robotics and Aerospace Bearings - The company has included robotic bearings in its "14th Five-Year Plan," focusing on high-value products such as crossed roller bearings and thin-walled bearings [3] - The commercial aerospace sector is viewed as a "second growth curve," with private rocket companies primarily being clients [3]

Group 1: Diamond Heat Dissipation Business - The company began its diamond functionalization application layout in 2015, focusing on MPCVD technology to produce heat sinks and optical window pieces, with revenue starting in 2023 primarily from non-civilian sectors [2] - The expected sales revenue from diamond heat dissipation products is projected to exceed 10 million yuan this year, all from non-civilian applications [2] Group 2: Wind Power Bearing Business - The wind power bearing business has seen strong growth this year, driven by downstream demand, with local production of yaw and pitch bearings already achieved [2] - The domestic market share for wind turbine main shaft bearings and gearbox bearings is gradually increasing as domestic replacements are being promoted [2] Group 3: Precision Machine Tool Bearings - The company aims to enter the top tier of the domestic market for precision machine tool bearings, which are currently dominated by foreign brands [3] - The focus for the next two to three years will be on R&D to enhance product performance before expanding into high-end markets [3] Group 4: Robotics Bearings - Robotics bearings have been included in the company's "14th Five-Year Plan," with a future focus on high-value-added products such as crossed roller bearings, thin-walled bearings, and angular contact bearings [3]

Core Viewpoint - The company has integrated its robotic bearing business into the "14th Five-Year" plan, focusing on the development of high-value-added products such as crossed roller bearings, thin-walled bearings, and angular contact bearings [1] Group 1 - The company aims to prioritize the development of high-value-added products in its robotic bearing segment [1] - The inclusion of the robotic bearing business in the strategic planning indicates a commitment to innovation and market expansion [1]

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].

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].

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].

Aerospace and Satellite Industry - The company has a satellite internet product line primarily through its subsidiary, Xuan Yu Space, which focuses on supporting measurement and control simulation systems and micro-system chip products [2] - Shanghai Huding's aerospace business consists of two parts: Huayu Technology for aerospace equipment manufacturing and Huhang Satellite Technology for satellite business, with capabilities to assemble multiple commercial satellites under 50KG simultaneously [2] - The company plans to acquire Kai Rui Xing Tong, which specializes in satellite communication baseband products and terminal products, among others [2] Semiconductor and Electronics Industry - The company plans to acquire a 30% stake in Wuhan Junheng for approximately 195 million yuan, which has made significant investments in high-speed optical module technology [2] - The company expects to achieve control over Changxing Semiconductor after acquiring an 81.8091% stake [2][6] - The company anticipates a net profit of 1.074 billion to 1.154 billion yuan for the third quarter, representing a year-on-year increase of 476% to 519% [5] Robotics and Automation - The company has invested in Shanghai Xinggan Semiconductor, which focuses on the design, production, and sales of semiconductor chips, particularly current sensors and isolators [3] - The company is developing intelligent construction robots for building decoration and construction [3] - The company is a leader in linear drive systems and is recruiting engineers for electric motor development for robotics [3] PCB and Electronic Components - The company is a leading supplier of printed circuit boards (PCBs) and expects significant profit growth in the third quarter [5] - The company specializes in various PCB products, including HDI boards and high-frequency boards, serving major clients like Huawei [5] - The company has become a leading supplier of IC substrates and has seen a 37.75% year-on-year increase in net profit [4] Renewable Energy and Materials - The company is exploring the application of modified silicone materials in photovoltaic module packaging, which has been validated by downstream customers [5] - The company is involved in the production of copper ball series products for PCB and photovoltaic applications [4] - The company is developing solid-state battery materials and aims to complete sample production by the end of the year [4]

Core Viewpoint - The company, Guojijinggong (002046.SZ), has indicated its capability to produce harmonic reducer bearings, although the revenue generated from this segment is relatively small, currently in the million yuan range [1]. Group 1 - The company can produce harmonic reducer bearings [1] - The revenue from the company's robotic bearing business is currently at the million yuan level [1]