北京沃尔德金刚石工具股份有限公司 对外担保管理制度 第一章 总则 第一条 为规范北京沃尔德金刚石工具股份有限公司（以下简称"公司"） 对外担保行为，有效控制担保风险，保证公司资产安全，根据《中华人民共和国 公司法》《上市公司监管指引第 8 号——上市公司资金往来、对外担保的监管要 求》《上海证券交易所科创板股票上市规则》等法律、法规、规范性文件和《北 京沃尔德金刚石工具股份有限公司章程》（以下简称"《公司章程》"）的规定，结 合公司实际情况，制定本制度。 第二条 本制度适用于公司（包括公司的控股子公司）为他人提供下列担保 的行为：被担保企业因向金融机构贷款、票据贴现、融资租赁等原因向公司申请 为其提供担保，其中包括公司对控股子公司的担保。 第三条 未经公司董事会或股东会批准，不得对外提供担保。 第四条 公司对外担保，是指公司为他人提供的担保，包括公司对控股子公 司的担保。 公司控股子公司的对外担保包括控股子公司之间、控股子公司与其子公司之 间的担保，比照本制度规定执行。公司控股子公司应在董事会或股东会做出决议 前报公司审核批准，并在其董事会或股东会做出决议后，及时向公司董事会秘书 或董事会办公室备案相关文件。 ...

北京沃尔德金刚石工具股份有限公司 第一章 总则 董事、高级管理人员薪酬管理制度 第一条 为完善北京沃尔德金刚石工具股份有限公司（以下简称"公司"） 董事、高级管理人员的激励、约束机制，提高企业经营管理水平，充分发挥公司 董事、高级管理人员的积极性，增强凝聚力，促进公司效益的增长，实现股东利 益最大化，结合公司实际情况，根据《中华人民共和国公司法》（以下简称"《公 司法》"）、《中华人民共和国证券法》（以下简称"《证券法》"）、《上市 公司治理准则》以及其他法律、行政法规和《北京沃尔德金刚石工具股份有限公 司章程》（以下简称"《公司章程》"）的规定，特制订本管理制度。 第二条 本制度所指的董事、高级管理人员是指公司董事会的成员以及公司 总经理、副总经理、财务负责人、董事会秘书及《公司章程》规定的其他高级管 理人员。 第三条 董事、高级管理人员的薪酬水平以公司规模和绩效为基础，根据公 司经营计划、董事和高级管理人员的分工职责，并综合考虑同行业收入水平等因 素确定。 第四条 公司董事、高级管理人员的薪酬确定应遵循以下原则： （一）收入水平与公司规模和效益相适应的原则； （二）与公司绩效、个人业绩挂钩，激励和约束相结 ...

北京沃尔德金刚石工具股份有限公司 内部审计管理制度 第一章 总则 第一条 为规范内部审计工作，提高审计工作质量，加强内部控制管理，保 护投资者合法权益，依据《中华人民共和国审计法》《审计署关于内部审计工作 的规定》《上市公司治理准则》《上海证券交易所科创板股票上市规则》等有关法 律、法规、规范性文件及《北京沃尔德金刚石工具股份有限公司章程》（以下简 称"《公司章程》"）等有关规定，特制定本制度。 第二条 本制度所称内部审计，是指由公司内部审计机构或人员，对其内部 控制和风险管理的有效性、财务信息的真实性和完整性以及经营活动的效率和 效果等开展的一种评价活动。 第三条 本制度所称内部控制，是指公司董事会、高级管理人员及其他有关 人员为实现下列目标而提供合理保证的过程： （一）遵守国家法律、法规、规章及其他相关规定； （二）提高公司经营的效率和效果； （三）保障公司资产的安全； 1 第八条 内部审计人员应当勤勉尽责、廉洁公正，并不断接受后续教育，努 力提升业务素质和能力，提高审计质量。 第三章 审计职责及工作范围 第九条 内审部应当履行以下主要职责： （四）确保公司信息披露的真实、准确、完整和公平。 第四条 公司 ...

北京沃尔德金刚石工具股份有限公司 独立董事工作制度 第一章 总则 第四条 公司独立董事占董事会成员的比例不得低于三分之一，独立董事中 应至少包括一名会计专业人士。会计专业人士应具备较丰富的会计专业知识和经 验，并至少符合下列条件之一： （一）具有注册会计师执业资格； 第一条 为进一步完善北京沃尔德金刚石工具股份有限公司（以下简称"公 司"）的法人治理结构，促进公司规范运作，保障全体股东，特别是中小股东的 合法权益，根据《中华人民共和国公司法》（以下简称"《公司法》"）、《上 市公司独立董事管理办法》（以下简称"《管理办法》"）、《上市公司治理准 则》、《上海证券交易所科创板股票上市规则》、《上海证券交易所科创板上市 公司自律监管指引第 1 号——规范运作》等法律法规、部门规章及规范性文件以 及《北京沃尔德金刚石工具股份有限公司章程》（以下简称"《公司章程》"） 的有关规定，制定本制度。 第二条 独立董事是指不在公司担任除董事以外的其他职务，并与公司及其 主要股东、实际控制人不存在直接或者间接利害关系，或者其他可能影响其进行 独立客观判断关系的董事。 第三条 独立董事对公司及全体股东负有忠实与勤勉义务。独立董事 ...

Revenue and Profit - Total revenue for Q3 2025 reached ¥204,227,993.61, representing a year-over-year increase of 14.27%[4] - Net profit attributable to shareholders was ¥27,780,759.91, up 24.76% compared to the same period last year[4] - Total profit for the period was ¥31,142,736.61, reflecting a 12.95% increase year-over-year[4] - The basic earnings per share for the quarter was ¥0.1840, up 25.60% year-over-year[4] - Total operating revenue for the first three quarters of 2025 reached RMB 539,282,638.35, an increase of 9.0% compared to RMB 494,541,226.55 in the same period of 2024[14] - The company's operating revenue for the first three quarters of 2025 reached ¥211,790,714.35, an increase from ¥180,408,732.26 in the same period of 2024, representing a growth of approximately 17.3%[27] - Net profit for the period was ¥70,846,323.87, a decrease of 6.5% compared to ¥75,714,753.54 in the previous year[15] - The net profit for the first three quarters of 2025 was ¥30,214,686.92, down from ¥42,048,873.35 in 2024, indicating a decline of about 28.2%[28] Expenses and Costs - Research and development expenses amounted to ¥15,055,515.32, accounting for 7.37% of total revenue, an increase of 0.28 percentage points[4] - Total operating costs for the first three quarters of 2025 were RMB 459,314,918.97, up 12.3% from RMB 408,769,907.07 in the first three quarters of 2024[14] - R&D expenses increased to ¥41,913,585.62 from ¥36,210,874.60, representing a growth of approximately 15.5% year-over-year[15] - Operating profit decreased to ¥79,721,385.65 from ¥91,309,623.21, reflecting a decline of approximately 12.7%[15] Cash Flow and Liquidity - The net cash flow from operating activities for the year-to-date was ¥118,233,959.48, showing a 14.66% increase[4] - The net cash flow from operating activities was ¥118,233,959.48, an increase from ¥103,119,050.30, showing a growth of about 14.7%[19] - Cash and cash equivalents at the end of the period were ¥167,199,549.45, down from ¥219,153,066.62, a decline of approximately 23.7%[20] - The company's cash and cash equivalents decreased to RMB 191,170,576.83 as of September 30, 2025, from RMB 264,734,658.20 at the end of 2024, representing a decline of 27.7%[10] - Cash inflow from operating activities for the first three quarters of 2025 was $224.90 million, up from $190.85 million in the same period of 2024, representing an increase of approximately 17.8%[30] - Net cash flow from operating activities increased significantly to $57.30 million in 2025 from $18.74 million in 2024, marking an increase of over 205%[30] - Cash outflow from investment activities in the first three quarters of 2025 was $67.52 million, compared to $103.69 million in 2024, indicating a decrease of approximately 34.8%[30] - Net cash flow from investment activities improved to $25.22 million in 2025 from a negative $68.00 million in 2024, showing a turnaround of over $93 million[30] - Cash inflow from financing activities decreased to $40.00 million in 2025 from $70.00 million in 2024, a decline of approximately 42.9%[30] - Net cash flow from financing activities turned negative at -$93.13 million in 2025, compared to a positive $14.49 million in 2024[30] - The total cash and cash equivalents decreased by $11.04 million in 2025, while the decrease in 2024 was $34.12 million, indicating an improvement in cash management[30] Assets and Liabilities - Total assets at the end of the reporting period were ¥2,251,399,327.29, a decrease of 0.71% from the end of the previous year[4] - Total assets amounted to RMB 2,251,399,327.29 as of September 30, 2025, down from RMB 2,267,532,997.15 at the end of 2024, a decrease of 0.7%[12] - Total liabilities decreased to RMB 290,443,071.00 as of September 30, 2025, from RMB 317,035,383.57 at the end of 2024, a reduction of 8.4%[12] - The total current assets decreased to ¥286,063,361.47 as of September 30, 2025, from ¥355,419,196.35 at the end of 2024, a reduction of approximately 19.5%[22] - The total non-current assets increased slightly to ¥1,584,657,231.88 as of September 30, 2025, compared to ¥1,532,257,003.35 at the end of 2024, reflecting a growth of about 3.4%[23] - The total liabilities decreased to ¥171,762,328.65 as of September 30, 2025, from ¥158,408,491.46 at the end of 2024, a decrease of approximately 8.5%[24] - The company's total equity as of September 30, 2025, was ¥1,698,958,264.70, a slight decrease from ¥1,729,267,708.24 at the end of 2024, reflecting a decline of about 1.7%[24] - The total equity attributable to shareholders increased to RMB 1,961,435,517.27 as of September 30, 2025, compared to RMB 1,950,215,070.89 at the end of 2024, an increase of 0.6%[13] Shareholder Information - The company reported a total of 8,495 common shareholders at the end of the reporting period[7] Accounting and Reporting - The company did not apply new accounting standards starting in 2025, maintaining consistency in financial reporting[31]

北京沃尔德金刚石工具股份有限公司 第三条 公司财务部履行公司关联交易控制和日常管理的职责。 第二章 关联方及关联交易的认定 第四条 关联人的认定 （一）公司关联人包括关联法人和关联自然人，指具有下列情形之一的自然人、 法人或其他组织： 1、直接或者间接控制公司的自然人、法人或其他组织； 2、直接或间接持有公司5%以上股份的自然人； 3、公司董事或者高级管理人员； 关联交易管理制度 第一章 总则 第一条 为充分保障中小股东的利益，保证公司关联交易的公允性，确保公司 的关联交易行为不损害公司和全体股东的利益，使公司的关联交易符合公平、公正、 公开的原则，根据《中华人民共和国公司法》《中华人民共和国证券法》《上海证 券交易所科创板股票上市规则》等有关法律、法规、规范性文件及《北京沃尔德金 刚石工具股份有限公司章程》（以下简称"《公司章程》"）等有关规定，结合公 司实际情况，制订本制度。 第二条 公司临时报告和定期报告中非财务报告部分的关联方及关联交易的披 露应当同时遵守《上海证券交易所科创板股票上市规则》和《公开发行证券的公司 信息披露内容与格式准则第2号——年度报告的内容与格式》的规定。定期报告中财 务报告部分的 ...

Core Points - The 9th International Carbon Materials Conference and Industry Exhibition (Carbontech2025) will be held from December 9-11, 2025, at the Shanghai New International Expo Center, inviting global leaders in the carbon materials industry to participate [12][28] - The event will feature two major exhibition halls, covering over 20,000 square meters, with expectations to attract over 50,000 professional visitors, 1,000 industry CEOs, 2,000 end-users, 1,000 research teams, 3,000 companies, and 500 government parks and investment institutions [16][28] Exhibition Overview - The exhibition will include two main thematic exhibition areas: N1 for semiconductors and N2 for energy and high-end equipment, showcasing applications, materials, production equipment, and analytical instruments relevant to the carbon materials industry [18][19] - The N1 semiconductor exhibition area will cover diamond materials, high-purity gases, and various production equipment, while the N2 energy and high-end equipment area will focus on carbon materials for automotive, aerospace, and energy storage applications [18][19] Conference Themes - The conference will address the application potential of diamond materials in ultra-precision processing, drilling, cutting, high-power heat dissipation, extreme sensing, quantum technology, and biomedicine [21] - Topics will include the expansion of diamond applications, ultra-precision manufacturing, diamond material preparation, and cultivated diamonds [21] - The carbon fiber conference will discuss market status, industry layout, and technological iterations, focusing on applications in aerospace, automotive, and green energy [21] - The new energy carbon materials and battery conference will explore technological breakthroughs in carbon materials and their applications in various battery technologies [21] Special Features - Carbontech2025 will have dedicated areas for product displays, new product launches, and research achievements, aimed at promoting collaboration between enterprises, research institutions, and universities [22][24][25] - The event aims to break down information barriers and facilitate deep cooperation among upstream and downstream enterprises in the carbon materials industry [23]

Group 1 - The cultivated diamond concept declined by 2.94%, ranking among the top declines in the concept sector as of the market close on October 23 [1] - Within the cultivated diamond sector, companies such as Strength Diamond, Sifangda, and Chaohongji experienced significant declines, while a few companies like Guoli Electronics, World, and Yuyuan Co. saw increases of 3.52%, 1.49%, and 0.69% respectively [1][2] - The cultivated diamond sector experienced a net outflow of 1.155 billion yuan in principal funds today, with 12 stocks seeing net outflows, and 7 stocks having outflows exceeding 50 million yuan [2] Group 2 - The top net outflow stock was Huanghe Xuanfeng, with a net outflow of 518 million yuan, followed by Chuangjiang New Materials, Jingsheng Mechanical and Electrical, and Sifangda with net outflows of 202 million yuan, 108 million yuan, and 88.7 million yuan respectively [2] - The stocks with the highest net inflows included World, *ST Yazhen, and Inno Laser, with net inflows of 25.5 million yuan, 15.9 million yuan, and 7.4 million yuan respectively [2][3] - The cultivated diamond concept sector had several stocks with notable declines, including Strength Diamond at -7.97%, Sifangda at -7.05%, and Chao Hong Ji at -6.32% [2][3]

Group 1 - The A-share market for synthetic diamond stocks experienced a collective decline, with Huifeng Diamond dropping over 10% and Hengsheng Energy hitting the daily limit down [1] - Other companies such as Sifangda, Chaohongji, and Liliang Diamond also saw declines exceeding 6%, while Huanghe Xuanfeng was the only stock to rise, gaining over 4% [1] Group 2 - Specific stock performance included Huifeng Diamond down 10.38% with a market cap of 3.256 billion, Hengsheng Energy down 10% with a market cap of 8.593 billion, and Sifangda down 6.98% with a market cap of 6.861 billion [2] - Year-to-date performance showed Hengsheng Energy with a significant increase of 183.21%, while Huifeng Diamond had a decline of 7.84% [2]

Core Viewpoint - The cultivated diamond sector is experiencing a surge in stock prices due to recent export controls on synthetic diamond products, despite the industry's historical struggles with profitability and reliance on exports [1][3][10]. Group 1: Market Performance - The cultivated diamond index rose by 16.64% since October 9, with companies like Huifeng Diamond and Sifangda seeing stock increases of over 50% [1]. - Five out of seventeen cultivated diamond stocks have doubled in price this year, with ST Yazhen's stock increasing nearly 600% from its lowest point [1][3]. - The recent export control announcement has led to a wave of stock price increases, including three consecutive trading limits for Huanghe Xuanfeng [1][3]. Group 2: Industry Challenges - The cultivated diamond industry has faced significant losses, with ST Yazhen reporting over 400 million yuan in cumulative losses since 2021, and Huanghe Xuanfeng losing 299 million yuan in the first half of this year [3][5]. - Despite a recent price increase for rough diamonds, the overall performance of cultivated diamond companies remains weak, indicating that the impact of export controls may not be as beneficial as anticipated [12][13]. Group 3: Technological Developments - Cultivated diamonds are increasingly being recognized for their potential applications beyond jewelry, particularly in the semiconductor industry for heat dissipation [16][20]. - The thermal conductivity of diamond makes it a promising material for future semiconductor applications, with projections indicating significant market growth in diamond-based thermal management solutions [20][21]. Group 4: Future Outlook - The cultivated diamond sector is at a critical juncture, with companies exploring new applications in semiconductor technology, which could drive future growth [20][22]. - However, challenges remain in the production and processing stages, particularly in matching the efficiency required by the semiconductor industry [22][25].