证券代码：688028 证券简称：沃尔德 公告编号：2026-023 实际控制人及其一致行动人、部分董事及高级管理人员持有的基本情况 本次减持计划实施前，北京沃尔德金刚石工具股份有限公司（以下简称"公 司"）的实际控制人及其一致行动人、部分董事及高级管理人员持股情况如下： 1、公司实际控制人杨诺持有公司股份 1,999,116 股，占公司总股本的比例 为 1.32%；实际控制人的一致行动人庞红、陈涛、李清华分别持有公司股份 807,408 股、463,800 股、485,602 股，占公司总股本的比例分别为 0.53%、0.31%、0.32%； 2、公司董事、副总经理、核心技术人员唐文林持有公司股份 647,388 股， 占公司总股本的比例为 0.43%； 3、公司董事、副总经理、核心技术人员张宗超持有公司股份 616,262 股， 占公司总股本的比例为 0.41%； 4、公司董事范笑颜持有公司股份 119,510 股，占公司总股本的比例为 0.08%； 北京沃尔德金刚石工具股份有限公司 关于实际控制人及其一致行动人、部分董事及高级管理人员 减持股份结果公告 本公司董事会、全体董事及相关股东保证本公告内容不存 ...

Investment Rating - The report indicates a positive outlook for the PCB drill needle industry, driven by the increasing demand for AI PCBs and the expected market growth [3][15][33]. Core Insights - The PCB drill needle market is highly concentrated, with the top five companies holding a market share of 75% [3][16]. - The global PCB drill needle market is projected to grow from 4.5 billion yuan in 2024 to 9.1 billion yuan by 2029, with a CAGR of 15% from 2024 to 2029 [15][16]. - The demand for high-end PCBs driven by AI applications is leading to increased requirements for drill needles, including higher durability and performance [3][34]. - The industry is experiencing a phase of accelerated integration and technological upgrades, particularly in regions like mainland China, Taiwan, and Japan [3][19]. Summary by Sections 1. Market Concentration and Growth - The PCB drill needle market is highly concentrated, with a CR5 of 75% [3][16]. - The market is expected to follow a "cyclical fluctuation, spiral upward" trend until 2024, with a projected market size of 4.5 billion yuan [3][15]. - The market is experiencing accelerated integration and technological upgrades, with major players like Ding Tai Gao Ke holding a 28.9% market share [3][16]. 2. Demand Drivers and Technological Upgrades - AI is driving the demand for high-end PCBs, which in turn raises the requirements for drill needles in terms of durability and performance [3][34]. - The transition to high-performance and high-density PCBs is leading to significant changes in materials and manufacturing processes, necessitating advancements in drill needle technology [3][34]. - The introduction of new materials, such as M9+Q cloth, is increasing the wear rate of drill needles, necessitating higher performance specifications [3][55]. 3. Key Industry Players - Key players in the industry include Ding Tai Gao Ke, which is recognized as the global leader in PCB drill needles, and Zhong Tung Gao Xin, known for its high-end product offerings [3][79][92]. - Ding Tai Gao Ke has a comprehensive product portfolio and is recognized for its technological innovations, including self-developed equipment [3][80]. - Zhong Tung Gao Xin's subsidiary, Jin Zhou Jing Gong, has a strong focus on high-end products and is expanding its production capacity [3][92]. 4. Performance Metrics and Financial Outlook - Ding Tai Gao Ke's revenue is projected to grow significantly, with a 64% increase in net profit expected in 2025 [3][86]. - The company is experiencing a supply-demand imbalance, leading to increased production and sales of drill needles [3][86]. - Jin Zhou Jing Gong is also expected to see substantial growth, with a 105% increase in net profit projected for 2025 [3][92].

Investment Rating - Investment rating: Positive (maintained) [1] Core Insights - The artificial diamond industry is transitioning from traditional materials to high-end manufacturing materials driven by AI computing needs, marking 2026 as a pivotal year for industrialization in this sector [19][16][15] - The demand for diamond cooling solutions is expected to grow significantly, with projections indicating a market size of 48-90 billion RMB by 2030 in the AI chip sector [47][50] - The diamond drill bit market is also set to expand as the PCB industry upgrades to higher-grade materials, with diamond drill bits becoming essential tools for high-end PCB manufacturing [5][18] Summary by Sections 1. AI Era Cooling Revolution and PCB Upgrade - Diamonds are recognized for their superior hardness and thermal conductivity, leading to diverse applications in industrial and consumer sectors [15] - The diamond industry is categorized into several segments, including industrial abrasives, synthetic diamond jewelry, precision cutting tools, and functional materials like diamond cooling and semiconductor substrates [15] 2. Diamond Cooling: The Ultimate Cooling Solution for High-Performance Computing - The rapid increase in GPU power density, exceeding 2000W, necessitates the development of new high-conductivity materials, with diamond emerging as a leading solution [4][20] - Diamond cooling technology has achieved commercial delivery milestones, marking a significant step from technical validation to market application [41][41] - The diamond cooling market is projected to reach 48-90 billion RMB by 2030, driven by its integration into AI chip applications [47][50] 3. Diamond Drill Bits: Essential for PCB Material System Upgrade - The upgrade of PCB materials driven by AI computing demands has led to a significant reduction in the lifespan of traditional tungsten carbide drill bits, necessitating the adoption of diamond drill bits [5][18] - Diamond drill bits are expected to transition from optional tools to necessary components in high-end PCB manufacturing, with ongoing industrialization efforts [5][18] 4. Investment Recommendations and Beneficiary Targets - The investment focus is shifting towards companies involved in diamond materials and applications, particularly those with established product lines in diamond cooling and drill bits [6] - Beneficiary companies include Guoji Precision, World, Sifangda, Huanghe Xuanfeng, Power Diamond, Huifeng Diamond, Zhongbing Hongjian, and Inno Laser [6]

Core Insights - The diamond industry is experiencing rapid growth driven by advancements in synthetic diamond technology and increasing demand in high-performance applications such as AI cooling and semiconductor devices [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] Group 1: Industry Overview - The global superhard materials industry is led by companies specializing in synthetic diamond research, production, and sales, with applications in cutting, grinding, and thermal management [2][3][4] - The demand for industrial-grade diamonds is rapidly increasing due to the commercialization of diamond cooling technologies by major companies like AMD and NVIDIA [1][2][4] - The market for cultivated diamonds is expanding, supported by government policies favoring advanced materials and the cultivation industry [2][5][6][10] Group 2: Company Highlights - Huanghe Xuanfeng (600172) is a leading player in the synthetic diamond sector, leveraging high-temperature and high-pressure technology to produce high-quality diamond single crystals [2] - Lili Diamond (301071) focuses on diamond single crystals and cultivated diamonds, benefiting from cost and quality advantages in industrial materials [3] - Wald (688028) has made significant technological breakthroughs in diamond cooling products, targeting the AI server cooling market [4] - Guoji Precision (002046) has developed high-end diamond products for defense and aerospace applications, capitalizing on its unique competitive advantages [5] - Hengsheng Energy (605580) is exploring applications for diamond materials in energy and semiconductor sectors, supported by strong policy backing [6] - Zhongbing Hongjian (000519) has a leading position in the superhard materials market, with stable cash flow from military applications [13] - Jing Sheng Electromechanical (300316) has successfully developed diamond growth equipment, enhancing its position in the semiconductor and AI cooling markets [15] - China Gold (600916) is leveraging its brand influence in the jewelry sector to promote cultivated diamonds, enhancing market penetration [16]

Group 1: Industry Overview - The diamond industry is experiencing rapid growth driven by advancements in AI cooling technology and the increasing demand for synthetic diamonds in both industrial and consumer markets [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40] - The market for industrial-grade diamonds is entering a phase of rapid growth, particularly with the commercialization of diamond cooling technologies by major companies like AMD and NVIDIA [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40] Group 2: Company Highlights - Sifangda (300179) focuses on CVD diamond technology and has established a complete technical barrier in the ultra-hard materials sector, benefiting from the domestic advantages in synthetic diamonds [1] - Huanghe Xuanfeng (600172) is a leading global player in synthetic diamonds, leveraging its mature high-temperature and high-pressure technology to produce high-quality diamond monocrystals [2] - Liliang Diamond (301071) maintains a diversified product strategy, focusing on both industrial and consumer markets, and is well-positioned to benefit from the growing demand for AI cooling solutions [3] - World (688028) specializes in ultra-hard materials and has made significant technological breakthroughs in diamond products for AI server cooling applications [4] - Guoji Precision (002046) has developed high-end diamond products for defense and aerospace applications, benefiting from national support for advanced materials [5] - Hengsheng Energy (605580) has achieved breakthroughs in CVD diamond technology and is expanding its applications in cooling and semiconductor fields [6] - Inno Laser (301021) focuses on high-end laser equipment and has established a stable competitive advantage in diamond processing equipment [7] - Chuangjiang New Materials (002171) is expanding its upstream carbon material business to support the growing demand for synthetic diamonds [8] - Boyun New Materials (002297) is entering the diamond production supply chain, benefiting from the rapid growth in demand for industrial diamonds [9] - Huifeng Diamond (920725) specializes in diamond micro-powder and single crystal products, maintaining a strong market position through technological barriers [10] - Henglin Co., Ltd. (603661) is diversifying into synthetic diamonds and large-size diamond single crystal business, leveraging its home furnishing resources [11] - Yuyuan Co., Ltd. (600655) is rapidly penetrating the synthetic diamond market through established retail channels and brand influence [12] - Chaohongji (002345) is actively launching synthetic diamond products targeting the young consumer market, supported by a strong retail network [13] - Zhongbing Hongjian (000519) has a leading capacity in ultra-hard materials and is benefiting from the dual demand for industrial and synthetic diamonds [14] - Jingsheng Electromechanical (300316) has developed diamond growth equipment and is well-positioned in the semiconductor and cooling markets [15] - China Gold (600916) is leveraging its brand influence to promote synthetic diamonds, enhancing consumer acceptance [16] - Guangpu Co., Ltd. (300632) is entering the high-end thermal management market with diamond cooling solutions [17] - Benlang New Materials (920807) is focusing on diamond tools and materials for precision processing, with a strong market presence [18] - Zhongshi Technology (300684) is advancing diamond-based thermal materials for AI server applications, benefiting from industry growth [19] - Guoli Electronics (688103) is supporting diamond growth equipment through electronic vacuum devices, positioning itself in the semiconductor sector [20] - ST Yazhen (603389) is focusing on high-purity and large-size diamond projects, adapting to market demands for both industrial and consumer applications [21]

证券代码：688028 证券简称：沃尔德 公告编号：2026-019 北京沃尔德金刚石工具股份有限公司 关于聘任 2026 年度以简易程序向特定对象发行股票 专项审计机构的公告 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。 重要内容提示： 广东司农会计师事务所（特殊普通合伙）成立于 2020 年 11 月 25 日。司农 会计师事务所组织形式：合伙企业（特殊普通合伙）；统一社会信用代码 91440101MA9W0YP8X3；注册地址：广东省广州市南沙区南沙街兴沙路 6 号 704 房-2；执行事务合伙人（首席合伙人）：吉争雄。 截至 2024 年 12 月 31 日，司农会计师事务所从业人员 346 人，合伙人 32 1 人，注册会计师 148 人，签署过证券服务业务审计报告的注册会计师 73 人。 2024 年度，司农会计师事务所收入（经审计）总额为人民币 12,253.49 万 元，其中审计业务收入为 10,500.08 万元、证券业务收入为 6,619.61 万元。 ●拟聘任的会计师事务所名称：广东司农会计师事务所 ...

一、公司最近五年被证券监管部门和交易所处罚的情况 经自查，公司最近五年不存在被证券监管部门和交易所处罚的情况。 二、公司最近五年被证券监管部门和交易所采取监管措施的情况 2024 年 5 月 21 日，因公司使用闲置募集资金购买的大额存单期限超出前期 董事会决议有效期，违反了《上市公司监管指引第二号——上市公司募集资金管 理和使用的监管要求》第八条，《上海证券交易所科创板股票上市规则》第 1.4 条、第 5.1.2 条、第 9.3.3 条等规定，上海证券交易所对公司及公司时任财务总 监予以口头警示。对上述口头警示关注的问题，公司及相关人员高度重视，认真 吸取教训并已完成整改。 证券代码：688028 证券简称：沃尔德 公告编号：2026-018 北京沃尔德金刚石工具股份有限公司 关于最近五年被证券监管部门和交易所采取监管措施或处罚情 况的公告 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"）自上市以来严格 遵守《中华人民共和国公司法》《中华人民共和国证券法》《上海证券交易 ...

北京沃尔德金刚石工具股份有限公司 关于本次募集资金投向属于科技创新领域的说明 | 序号 | 项目名称 | 拟投资总额 | 拟使用募集资金投资额 | | --- | --- | --- | --- | | 1 | 金刚石微钻产业化项目（一期） | 13,383.02 | 13,300.00 | | 2 | 金刚石功能材料产业化项目（一期） | 13,157.83 | 13,100.00 | | 3 | 金刚石功能材料研发中心项目 | 3,888.32 | 3,600.00 | | | 合计 | 30,429.17 | 30,000.00 | 本次发行股票募集资金主要用于"金刚石微钻产业化项目（一期）""金刚 石功能材料产业化项目（一期）"和"金刚石功能材料研发中心项目"建设，在 本次发行募集资金到位前，公司将根据募集资金投资项目实施进度的实际情况通 过自有或自筹资金先行投入，并在募集资金到位后按照相关法律、法规规定的程 序予以置换。如本次发行实际募集资金（扣除发行费用后）少于拟投入本次募集 资金总额，公司董事会将根据募集资金用途的重要性和紧迫性安排募集资金的具 体使用，不足部分将以自有资金或自筹方式解决。在不改 ...

证券代码：688028 证券简称：沃尔德 公告编号：2026-020 根据中国证券监督管理委员会《监管规则适用指引——发行类第 7 号》等相关规定， 北京沃尔德金刚石工具股份有限公司（以下简称"公司"或"本公司"）将截至 2025 年 9 月 30 日的前次募集资金使用情况报告如下： 一、前次募集资金的募集及存放情况 （一）前次募集资金的数额、资金到账时间 根据中国证券监督管理委员会《同意北京沃尔德金刚石工具股份有限公司向张苏来 等发行股份购买资产并募集配套资金注册的批复》（证监许可〔2022〕1554 号），本公 司由主承销商中信建投证券股份有限公司采用询价方式，向特定对象发行人民币普通股 （A 股）股票 14,163,757 股，发行价为每股人民币 34.38 元，共计募集资金 48,695.00 万元，坐扣承销和保荐费用 896.23 万元后的募集资金为 47,798.77 万元，已由主承销商 中信建投证券股份有限公司于 2022 年 10 月 26 日汇入本公司募集资金监管账户。另减 除上网发行费、材料制作费、审计验资费、律师费等与发行权益性证券直接相关的新增 外部费用 118.60 万元后，公司前次 ...

证券代码：688028 证券简称：沃尔德 公告编号：2026-014 北京沃尔德金刚石工具股份有限公司 第四届董事会第十六次会议决议公告 二、会议审议情况 会议由公司董事长陈继锋先生主持，以记名投票表决方式，审议并通过了以 下议案： （一）审议通过《关于公司符合以简易程序向特定对象发行股票条件的议 案》 本议案已经公司第四届董事会战略委员会第三次会议、第四届董事会审计委 员会第十四次会议及第四届董事会第二次独立董事专门会议审议通过。 表决结果：7 票同意、0 票反对、0 票弃权。 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。 （二）审议通过《关于公司2026年度以简易程序向特定对象发行股票方案 的议案》 一、董事会会议召开情况 北京沃尔德金刚石工具股份有限公司（以下简称"公司"）第四届董事会第 十六次会议于 2026 年 3 月 2 日在嘉兴沃尔德金刚石工具有限公司四楼会议室以 现场结合通讯方式召开。工作人员将本次会议相关的资料（包括会议通知、会议 议题资料等）于 2026 年 2 月 27 日以电子邮件、电话等方式送达 ...