惠丰钻石股份有限公司 第四届董事会第六次会议决议公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连 带法律责任。 一、会议召开和出席情况 （一）会议召开情况 1.会议召开时间：2025 年 12 月 16 日 2.会议召开地点：公司会议室 3.会议召开方式：现场及通讯方式 4.发出董事会会议通知的时间和方式：2025 年 12 月 11 日以通讯方式发出 5.会议主持人：董事长王来福先生 证券代码：920725 证券简称：惠丰钻石 公告编号：2025-115 会议应出席董事 7 人，出席和授权出席董事 7 人。 二、议案审议情况 （一）审议通过《关于对外投资暨签署投资协议的议案》 1.议案内容： 根据公司战略发展规划，为充分利用包头市昆都仑区的电力优势和政策优 势，发挥公司在 CVD 金刚石领域的技术、人才、管理、成本、效率等优势，公司 拟在包头市昆都仑区投资建设 CVD 金刚石项目，该项目预计总投资 10 亿元，公 司为保障该项目科学决策、审慎实施，计划分两期实施，但具体各期投资规模及 进度由公司根据市场情况及设 ...

证券代码：920725 证券简称：惠丰钻石 公告编号：2025-114 基金名称：深圳市深基宏图创业投资合伙企业（有限合伙） 管理人名称：深圳市基础设施投资基金管理有限责任公司 托管人名称：中信证券股份有限公司 备案编码：SBLF21 备案日期：2025年12月04日 二、本次对外投资标的公司情况 2025年12月5日，深圳市深基宏图创业投资合伙企业（有限合伙）对标的公司超聚 变数字技术有限公司进行了投资。超聚变数字技术有限公司基本情况如下： 惠丰钻石股份有限公司 关于与私募基金合作投资的进展公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、误 导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带法律 责任。 惠丰钻石股份有限公司（以下简称"公司"）于2025年11月21日召开第四届董事 会第五次会议，审议通过《与私募基金合作投资的议案》，同意公司参与投资由深圳 市基础设施投资基金管理有限责任公司管理的深圳市深基宏图创业投资合伙企业（有 限合伙）。基金规模为人民币9,795万元，公司作为有限合伙人认缴出资人民币3,062 万元。具体内容详见公司在北京证券交易所指定信息 ...

| 920706 | 铁拓机械 | 26.21 | -5.92 | 13.48 | 15173.46 | | --- | --- | --- | --- | --- | --- | | 920252 | 天宏锂电 | 29.56 | -2.28 | 6.03 | 12359.62 | | 920493 | 并行科技 | 136.23 | -1.60 | 2.13 | 12006.79 | | 920405 | 海希通讯 | 27.53 | -2.58 | 3.75 | 11683.09 | | 920047 | 诺思兰德 | 25.01 | 2.29 | 2.55 | 11371.31 | | 920174 | 五新隧装 | 50.08 | 1.75 | 2.46 | 10635.29 | | 920509 | 同惠电子 | 33.89 | -3.94 | 3.65 | 10518.77 | | 920445 | 龙竹科技 | 11.52 | -5.96 | 8.40 | 10395.65 | | 920571 | 国航远洋 | 10.00 | -1.86 | 3.63 | 10301.05 | | 9202 ...

Core Viewpoint - The A-share market showed a decline with the Shanghai Composite Index closing at 3878.00 points, down 0.51% and below the five-day moving average, with a total trading volume of 168.36 billion yuan [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3878.00 points, reflecting a decrease of 0.51% [1]. - The total trading volume in the A-share market reached 168.36 billion yuan [1]. Group 2: Stocks Breaking the Five-Day Moving Average - A total of 233 A-shares broke above the five-day moving average today [1]. - Notable stocks with significant deviation rates include: - Sifangda (300179) with a deviation rate of 12.01% and a daily increase of 15.37% [1]. - *ST Changyao (300391) with a deviation rate of 11.26% and a daily increase of 20.09% [1]. - Jindike (688670) with a deviation rate of 8.49% and a daily increase of 15.93% [1]. Group 3: Stocks with Smaller Deviation Rates - Stocks with smaller deviation rates that just crossed the five-day moving average include: - Jiuli Special Materials (300996) with a deviation rate of 8.38% and a daily increase of 11.38% [1]. - Zhongheng Design (603017) with a deviation rate of 8.14% and a daily increase of 9.98% [1]. - Shuangqiang Technology (001211) with a deviation rate of 7.13% and a daily increase of 9.99% [1].

Group 1: Market Performance - The A-share cultivated diamond sector showed strong performance, with Sifangda rising nearly 15%, Huifeng Diamond up over 10%, and Huanghe Xuanfeng hitting the daily limit [1][2] - Other companies such as Liliang Diamond, Hengsheng Energy, Chuangjiang New Materials, Inno Laser, Boyun New Materials, and Guojijiang Precision also experienced significant increases [1] Group 2: Industry Conference - The 2025 Cultivated Diamond Industry Conference is approaching, scheduled for December 5-6 in Zhengzhou, aiming to promote deep integration and upgrading of the industry chain [3] - The conference will focus on three main goals: building platforms, addressing shortcomings, and strengthening support, with plans to sign approximately 30 projects totaling no less than 15 billion yuan [3] - The event is expected to enhance Zhengzhou's influence in the cultivated diamond industry and establish a comprehensive "3+X" industry chain system [3] Group 3: Industry Background - Cultivated diamonds, a high-value consumer branch of the diamond industry, are rapidly growing due to their environmental benefits, cost-effectiveness, and stable supply [4] - The global cultivated diamond market is projected to reach $15 billion by 2026, with a compound annual growth rate exceeding 15% [4] - China's position as the largest producer of cultivated diamonds is expected to account for over 40% of the global market share [4] Group 4: Market Challenges and Opportunities - The market price of synthetic diamonds, particularly mid-to-low-end industrial products, has been under pressure due to previous capacity expansions and slowing demand in traditional downstream sectors [5] - Companies are exploring new value in diamond materials, particularly their excellent thermal conductivity, which is becoming crucial for high-power electronic devices [5][6] - The demand for diamond substrates in data centers and electric vehicles is increasing, as they significantly enhance heat dissipation efficiency [6][7] Group 5: Future Prospects - The semiconductor industry's evolution towards smaller nodes necessitates effective heat management, positioning diamonds as essential materials [7] - Companies like Guojijiang Precision, World, and Sifangda are recognized for their potential in the diamond thermal management market [7]

Core Insights - Shenzhen-based investment firm, Shenzhen Shenjihongtu Venture Capital Partnership (Limited Partnership), has been established with a capital contribution of 97.95 million yuan [1] - The firm's business scope includes venture capital limited to investments in unlisted companies and investment activities using its own funds [1] - The company is co-owned by Huifeng Diamond and Li Tifeng among others [1]

Group 1: Market Performance - The A-share cultivated diamond sector showed strong performance, with Sifangda rising nearly 15%, Huifeng Diamond up over 10%, and Huanghe Xuanfeng hitting the daily limit [1][2] - Other companies such as Liliang Diamond, Hengsheng Energy, Chuangjiang New Materials, Inno Laser, Boyun New Materials, and Guojijiang Precision also experienced significant increases [1][2] Group 2: Industry Conference - The 2025 Cultivated Diamond Industry Conference is approaching, scheduled for December 5-6 in Zhengzhou, aiming to promote deep integration and upgrading of the industry chain [3] - The conference will focus on three main goals: building platforms, addressing shortcomings, and strengthening support, with plans to integrate the cultivated diamond industry with the gold and jewelry sector [3] - Expected outcomes include the establishment of the Henan Province Cultivated Diamond Promotion Center and signing of approximately 30 projects with a total investment of no less than 15 billion yuan [3] Group 3: Industry Background - Cultivated diamonds, a high-value consumer product branch of the diamond industry, are rapidly growing due to their environmental benefits, cost-effectiveness, and stable supply [4] - The global cultivated diamond market is projected to reach 15 billion USD by 2026, with a compound annual growth rate exceeding 15% [4] - China's position as the largest producer of cultivated diamonds is expected to secure over 40% of the global market share [4] Group 4: Market Challenges and Opportunities - The market price of synthetic diamonds, particularly mid-to-low-end industrial products, has been under pressure due to previous capacity expansions and slowing demand in traditional downstream sectors [5] - The exceptional thermal conductivity of diamonds is becoming a key factor in unlocking new value, especially in high-power electronic devices [6] - Companies like Guojijiang Precision are seeing increased demand for diamond heat sinks, with expected sales revenue surpassing 10 million yuan this year [6][7]

Group 1 - The Shanghai Composite Index closed at 3878.89 points, below the five-day moving average, with a decline of 0.48% [1] - The total trading volume of A-shares reached 1,352.517 billion yuan [1] - A total of 193 A-shares have surpassed the five-day moving average today, with notable stocks including Sifangda, Puliansoft, and Zhongheng Design showing significant deviation rates of 12.40%, 8.97%, and 8.14% respectively [1] Group 2 - The stocks with the highest deviation rates from the five-day moving average include: - Sifangda (300179) with a price increase of 15.89% and a deviation rate of 12.40% - Puliansoft (300996) with a price increase of 12.16% and a deviation rate of 8.97% - Zhongheng Design (603017) with a price increase of 9.98% and a deviation rate of 8.14% [1] - Other notable stocks with smaller deviation rates include: - Jianmin Group, Klete, and Sanwei Equipment, which have just crossed the five-day moving average [1]

Core Viewpoint - The A-share market shows a slight decline with the Shanghai Composite Index closing at 3894.22 points, just above the five-day moving average, indicating a mixed market sentiment [1] Group 1: Market Performance - The total trading volume of A-shares reached 10,755.55 billion yuan today [1] - The Shanghai Composite Index experienced a change of -0.09% [1] Group 2: Stocks Breaking the Five-Day Moving Average - A total of 281 A-shares have surpassed the five-day moving average today [1] - Notable stocks with significant deviation rates include: - Sifangda (300179) with a deviation rate of 11.67% and a daily increase of 14.92% [1] - Pulian Software (300996) with a deviation rate of 9.95% and a daily increase of 13.44% [1] - Zhongheng Design (603017) with a deviation rate of 8.14% and a daily increase of 9.98% [1] Group 3: Stocks with Smaller Deviation Rates - Stocks with smaller deviation rates that have just crossed the five-day moving average include: - Haotong Technology and Weisi Medical, which have just reached the five-day moving average [1]

Group 1 - The superhard materials sector experienced a significant surge on December 3, with notable stock price increases for several companies [1] - Sifangda's stock rose over 15%, Huifeng Diamond increased by more than 12%, and Huanghe Xuanfeng hit the daily limit [1] - Other companies such as Liliang Diamond, World, Guojijiangong, and Boyun New Materials also saw substantial gains [1] Group 2 - The superhard materials index reached 2821.80, marking a 5.02% increase [2] - Specific stock performances included Sifangda at 17.86 with a 15.82% rise, Huifeng Diamond at 37.38 with a 12.18% increase, and Huanghe Xuanfeng at 6.77 with a 10.08% rise [2] - Other notable stock performances included Liliang Diamond at 40.40 with an 8.02% increase, World at 68.00 with a 5.59% rise, and Guojijiangong at 34.32 with a 5.08% increase [2]