Core Viewpoint - The company is a leading provider of comprehensive cutting tool solutions, focusing on diamond functional materials with a strong emphasis on high-precision and ultra-precision tools, and is well-positioned to capitalize on the evolving PCB material landscape driven by AI advancements [1][2]. Group 1: Company Overview - The company was founded in 2006 and is recognized as a national high-tech enterprise, having been listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board in July 2019 [1]. - It specializes in ultra-high precision, high precision cutting tools, and superhard material products, offering a range of tools made from superhard, hard alloy, and metal ceramic materials [1]. - The diamond functional materials business targets the global high-end new materials market and is one of the few companies in China capable of mastering the three major preparation processes of CVD technology [1]. Group 2: Product Development and Market Opportunities - The company has identified growth opportunities for its diamond micro-drills due to the upgrade of PCB materials, particularly with the potential adoption of M9 materials that may complicate PCB processing [1]. - The diamond micro-drill products were initiated at the end of 2022, resulting in the development of several product series (WZ1, WZ2, WZ3, WZ-X), each with different specifications [1]. - A mature production line has been established and has been operating stably for over two years, demonstrating the capability to process over 8000 holes in a 3.5mm thick PCB using a 0.25mm diamond micro-drill without needle breakage [1]. Group 3: Future Growth and Financial Projections - The company is continuously exploring applications of diamond functional materials in various fields such as sound, light, electricity, and heat, aiming for rapid commercialization and scale efficiency [2]. - It has significant R&D and technical reserves in CVD diamond preparation and application, being one of the few companies that fully master CVD diamond growth technology [2]. - Financial projections estimate revenues of 751 million, 872 million, and 986 million yuan for 2025, 2026, and 2027 respectively, with net profits of 103 million, 135 million, and 165 million yuan, and EPS of 0.68, 0.89, and 1.09 yuan [2].

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].

证券代码：688028 证券简称：沃尔德 公告编号：2026-006 北京沃尔德金刚石工具股份有限公司 关于2026年限制性股票激励计划及2026年股票增值权激励计划内幕信 息知情人买卖公司股票情况的自查报告 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、准确性和完整性依法承担法律责任。 北京沃尔德金刚石工具股份有限公司（以下简称"公司"）于 2026 年 1 月 12 日召开了第四届董事会第十四次会议，审议通过了《关于<北京沃尔德金刚石工 具股份有限公司 2026 年限制性股票激励计划（草案）>及其摘要的议案》《关于< 北京沃尔德金刚石工具股份有限公司 2026 年股票增值权激励计划（草案）>及其 摘要的议案》等相关议案，公司董事会薪酬与考核委员会发表了明确的同意意见。 公司于 2026 年 1 月 13 日在上海证券交易所网站（www.sse.com.cn）披露了相关 公告。根据《上市公司股权激励管理办法》(以下简称"《管理办法》")及公司 内部制度的有关规定，公司对 2026 年限制性股票激励计划及 2026 年股票增值权 激励计划（以下合称"本次 ...

北京金诚同达律师事务所 关于 北京沃尔德金刚石工具股份有限公司 2026 年第一次临时股东会的 法律意见书 金证法意[2026]字 0128 第 0052 号 中国北京市建国门外大街1号国贸大厦A座十层 100004 电话：010—5706 8585 传真：010—8515 0267 北京金诚同达律师事务所 法律意见书 北京金诚同达律师事务所 法律意见书 金证法意[2026]字 0128 第 0052 号 致：北京沃尔德金刚石工具股份有限公司 北京金诚同达律师事务所（以下简称"本所"）接受北京沃尔德金刚石工具股 份有限公司（以下简称"公司"）的聘请，指派本所律师出席公司 2026 年第一 次临时股东会（以下简称"本次股东会"）并对会议的相关事项出具法律意见书。 本所律师根据《中华人民共和国公司法（2023 年修订）》（以下简称"《公 司法》"）、《中华人民共和国证券法（2019 年修订）》（以下简称"《证券 法》"）、《上市公司股东会规则（2025 修订）》（以下简称"《股东会规则》"）、 《上市公司治理准则》《律师事务所从事证券法律业务管理办法（2023）》《律 师事务所证券法律业务执业规则（试行）》《上海 ...

证券代码：688028 证券简称：沃尔德 公告编号：2026-007 （一） 股东会召开的时间：2026 年 1 月 28 日 （二） 股东会召开的地点：嘉兴市秀洲区高照街道八字路 1136 号，嘉兴沃尔德 金刚石工具有限公司四楼会议室 （三） 出席会议的普通股股东、特别表决权股东、恢复表决权的优先股股东及 其持有表决权数量的情况： | 1、出席会议的股东和代理人人数 | 121 | | --- | --- | | 普通股股东人数 | 121 | | 2、出席会议的股东所持有的表决权数量 | 12,743,630 | | 普通股股东所持有表决权数量 | 12,743,630 | | 3、出席会议的股东所持有表决权数量占公司表决权数量的比例（%） | 8.4423 | | 普通股股东所持有表决权数量占公司表决权数量的比例（%） | 8.4423 | （四） 表决方式是否符合《公司法》及公司章程的规定，股东会主持情况等。 北京沃尔德金刚石工具股份有限公司 2026年第一次临时股东会决议公告 本公司董事会及全体董事保证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、准确性和完整性依法承担法 ...

Summary of Conference Call Records Industry Overview - The focus is on the synthetic diamond production industry, particularly in the context of investments from the US and Japan, highlighting the necessity and urgency of diamond materials recognized internationally [1][2]. Key Points - The US and Japan are planning to invest in synthetic diamond production, with Japan's proposed $550 billion investment being a core project, expected to be announced before Prime Minister Kishida's visit to the US in March [1]. - The US aims to accelerate domestic synthetic diamond production, involving leading diamond companies such as De Beers Group's Element Six [1]. - Investors are encouraged to focus on the diamond sector, particularly due to the emerging markets in AI chip cooling and ultra-hard material drilling, with a market potential estimated at 30-50 billion yuan [1]. Company Insights - **Sifangda**: - In the first half of 2025, Sifangda has sent samples to two major semiconductor clients for testing [2]. - The company has completed internal testing of its 12-inch diamond heat sink samples and plans to send them out soon [2]. - New customer sample verification results are promising, with expectations for further progress [2]. - **World**: - Progress includes sending 12-inch thin slices for testing in September and recently sending smaller-sized thick slices with microchannels for testing by a Taiwanese client [2]. - The company is currently processing 12-inch thick slices with microchannels, expected to send samples in mid-Q1 2026 [2]. - A Taiwanese client has placed orders for dozens of large-sized thick slices recently [2]. - The value of thin slices has increased from 15,000 yuan to 30,000 yuan per piece, while the new thick slices with microchannels are valued at least 40,000 to 50,000 yuan each [2]. Additional Applications - Beyond cooling, significant breakthroughs in diamond applications are anticipated in PCD (Polycrystalline Diamond) drilling tools [2]. - PCD diamond drill bits can achieve over 10,000 stable processing holes, significantly improving efficiency and reducing tool change time [3]. - Both Sifangda and World are making rapid progress in the PCD drill bit and diamond heat sink sectors, with expectations for more customer developments [3].

Group 1 - Sifangda reached a new high during trading, indicating strong market interest and potential growth in its stock value [1] - Huanghe Xuanfeng hit the daily limit, reflecting significant investor confidence and demand for its shares [1] - Huifeng Diamond increased by over 10%, suggesting positive market sentiment and potential for further appreciation [1] Group 2 - Other companies such as Liliang Diamond, World, Guojijiangong, Boyun New Materials, and Zhongbing Hongjian also experienced upward movement, indicating a broader trend in the industry [1]

Core Viewpoint - The diamond industry is experiencing significant changes as De Beers, the largest natural diamond producer, has announced substantial price reductions for diamonds over 0.75 carats, marking the first explicit price cut in over a year, driven by the rise of lab-grown diamonds and changing consumer preferences [1][7][12]. Group 1: Market Performance - The cultivated diamond sector showed strong performance on January 27, with stocks like Huanghe Xuanfeng hitting the daily limit, and others like Sifangda and Huifeng Diamond rising over 8% [1]. - Huanghe Xuanfeng's stock price reached 7.16, reflecting a 9.98% increase, while Sifangda and Huifeng Diamond saw increases of 8.37% and 8.29%, respectively [2]. Group 2: Price Adjustments by De Beers - De Beers has implemented a significant price reduction for mid to high-end natural diamonds, with a cumulative price drop of 40% for mainstream products in 2023 and further reductions planned for 2024 and 2025 [8][10]. - The price adjustments are a response to market changes, including high inflation and economic uncertainty, which have suppressed demand for high-end discretionary spending [12]. Group 3: Rise of Lab-Grown Diamonds - Lab-grown diamonds are increasingly penetrating the mid-range and wedding markets, posing a dual challenge to natural diamonds in terms of price and perceived value [12]. - The production of lab-grown diamonds has scaled significantly, with China being a major player, accounting for approximately 63% of global production capacity [20]. - The market for lab-grown diamonds in China is currently valued at around 14 billion, projected to exceed 102.5 billion by 2030, indicating a transformative shift in consumer preferences [20]. Group 4: Consumer Trends - Lab-grown diamonds are appealing to younger consumers due to their affordability, costing about one-tenth of the price of comparable natural diamonds [16][17]. - The rapid production of lab-grown diamonds, which can be created in as little as one week, contrasts sharply with the lengthy natural diamond formation process [15].

Group 1 - The cultivated diamond sector showed strength in early trading, with Sifangda reaching a new high, and Huanghe Xuanfeng hitting the daily limit, while Huifeng Diamond, Liliang Diamond, and World also saw gains [2][3] - Sifangda's stock price increased by 12.09% to 21.70, with a five-day increase of 28.33% [3] - Huanghe Xuanfeng's stock rose by 9.98% to 7.16, with a five-day increase of 14.74% [3] - Huifeng Diamond's stock price increased by 9.90% to 41.61, with a five-day increase of 16.49% [3] - China Gold's stock rose by 9.76% to 11.13, with a five-day increase of 33.73% [3] - Liliang Diamond's stock price increased by 6.25% to 42.85, with a five-day increase of 9.42% [3] - World’s stock price rose by 4.64% to 104.83, with a five-day increase of 30.55% [3] Group 2 - The focus is on monitoring intraday hot spots and capturing signals of sector movements, while tracking the direction of main capital flows [5]

Market Overview - On January 26, the Shanghai Composite Index fell by 0.09%, with institutional investors appearing on the trading lists of 41 stocks, net buying 21 and net selling 20 [1][3]. Institutional Trading Activity - The stock with the highest net buying by institutional seats was Wangsu Science & Technology, which closed at the daily limit with a trading volume of 6.927 billion yuan and a turnover rate of 22.89%. The net buying amounted to 218.04 million yuan, with a total net inflow of 1.71 billion yuan [2][5]. - Wald saw a price increase of 15.19%, with a trading volume of 1.365 billion yuan and a turnover rate of 9.30%. Institutional net buying reached 183.20 million yuan, while the total net outflow was 990.97 million yuan [2][5]. Performance of Stocks - Zhongchao Holdings experienced a decline of 7.01%, with a turnover rate of 34.00% and a trading volume of 3.811 billion yuan. Institutional net buying was 119.56 million yuan, but the total net outflow was 402 million yuan [3][5]. - The average increase for stocks with institutional net buying was 6.46%, outperforming the Shanghai Composite Index. Stocks like Wangsu Science & Technology and Maike Biological showed strong performance, closing at the daily limit [3]. Earnings Forecasts - Among the stocks with institutional net buying, five have released earnings forecasts for 2025. One stock is expected to see a profit increase, while another anticipates a profit. The highest projected net profit increase is for Huisheng Biological, estimated at 253 million yuan, representing a year-on-year increase of 1355.24% [3]. Net Selling Activity - The stock with the highest net selling by institutions was Tongling Nonferrous Metals, with a net selling amount of 369.27 million yuan. The total net outflow for the stock was 857 million yuan [4][7]. - Other notable net selling stocks included Xingye Silver Tin and Hunan Silver, with net selling amounts of 227.26 million yuan and 138.80 million yuan, respectively [4][7]. Deep and Shanghai Stock Connect - On January 26, 32 stocks on the trading list featured either Deep or Shanghai Stock Connect. Notable net buyers included Ju Li Suo Ju and Xiao Cheng Technology, with net buying amounts of 139.34 million yuan and 115.26 million yuan, respectively [7][8]. - Conversely, net sellers included Hunan Silver and Tongling Nonferrous Metals, with net selling amounts of 368.78 million yuan and 183.23 million yuan, respectively [7][8].