2024 年度独立董事述职报告 ——吴文刚 各位股东及股东代表： 本人作为河北中瓷电子科技股份有限公司（以下简称"公司"）的独立董事， 根据《中华人民共和国公司法》《中华人民共和国证券法》《深圳证券交易所上 市公司自律监管指引第 1 号——主板上市公司规范运作》等相关法律法规和《公 司章程》及《独立董事工作制度》等相关规定，在 2024 年度的工作中，本人严 格按照上述规定，勤勉尽责、忠实地履行独立董事的职责和义务，充分发挥独立 董事在公司治理中的作用，维护了公司和股东尤其是中小股东的合法权益。本人 在 2024 年 12 月 4 日被选为第二届独立董事，现将 2024 年度 12 月的履职情况述 职如下： 一、独立董事基本情况 （一）独立董事工作履历、专业背景及兼职情况 吴文刚，男，1966 年 11 月出生。1989 年毕业于复旦大学电子工程专业，1995 年获得西安交通大学工学博士学位。1995 年 7 月开始参加工作，先后在中国科 学院半导体研究所担任博士后研究员，美国加州大学洛杉矶分校（UCLA）担任 博士后研究员，北京大学担任教师。现任北京大学教授。2024 年 12 月 4 日起任 中瓷电子独立 ...

河北中瓷电子科技股份有限公司 市值管理制度 第一章 总则 第一条 为加强河北中瓷电子科技股份有限公司（以下简称"公司"）的市值管 理工作，切实维护公司、投资者及其他利益相关者的合法权益，实现公司价值和 股东利益最大化，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》"）、《上市公司监管指引第 10 号——市值管理》《关于改进和加强中央企业控股上市公司市值管理工作的 若干意见》等法律、行政法规、部门规章及规范性文件以及《河北中瓷电子科技 股份有限公司章程》（以下简称"《公司章程》"）的有关规定，特制定本制度。 第二条 本制度所称市值管理，是指公司以提高公司质量为基础，为提升公司 投资价值和股东回报能力而实施的战略管理行为。 （二）科学性原则。公司的市值管理工作应当综合考虑市值影响因素，科学 研判关键性因素，建立科学管理体系，以使市值管理工作科学有效。 （三）系统性原则。公司的市值管理工作应当系统谋划、整体布局，协同公 司内部各业务体系以系统化方式开展市值管理工作。 （四）常态性原则。公司的市值管理工作应当一以贯之，持续、动态推进， 1 第二章 市值管理的目 ...

河北中瓷电子科技股份有限公司 2024 年度独立董事述职报告 ——石瑛 各位股东及股东代表： 河北中瓷电子科技股份有限公司独立董事述职报告 本人作为河北中瓷电子科技股份有限公司（以下简称"公司"）的独立董事， 根据《中华人民共和国公司法》《中华人民共和国证券法》《深圳证券交易所上 市公司自律监管指引第 1 号——主板上市公司规范运作》等相关法律法规和《公 司章程》及《独立董事工作制度》等相关规定，在 2024 年度的工作中，本人严 格按照上述规定，勤勉尽责、忠实地履行独立董事的职责和义务，积极出席会议、 关注公司经营发展，充分发挥独立董事在公司治理中的作用，维护了公司和股东 尤其是中小股东的合法权益，现将 2024 年度的履职情况述职如下： 一、独立董事基本情况 （一）独立董事工作履历、专业背景及兼职情况 石瑛，女，1963 年 12 月出生。1984 年毕业于西安交通大学金属材料与热处 理专业，2000 年获得中国人民大学工商管理硕士学位。1984 年 8 月开始参加工 作，先后在北京有色金属研究总院合金加工工艺研究室担任高级工程师，北京有 色金属研究总院科研处担任高级工程师、副处长，有研半导体材料股份有限 ...

证券代码：003031 证券简称：中瓷电子 公告编号：2025-039 河北中瓷电子科技股份有限公司 关于召开 2024 年年度股东大会的通知 （1）现场会议时间：2025 年 5 月 15 日 14:30-16:00 （2）网络投票时间：2025 年 5 月 15 日 通过深圳证券交易所交易系统进行网络投票的具体时间为：2025 年 5 月 15 日上午 9:30-11:30，下午 13:00-15:00； 通过深圳证券交易所互联网投票系统进行网络投票的具体时间为：2025 年 5 月 15 日 9:15-15:00 期间的任意时间。 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚 假记载、误导性陈述或重大遗漏。 经河北中瓷电子科技股份有限公司（以下简称"公司"）第二届董事会第三 十二次会议审议通过，公司董事会决定于 2025 年 5 月 15 日召开 2024 年年度股 东大会，现将本次股东大会的有关事项通知如下： 一、召开会议的基本情况 1、股东大会届次：2024 年年度股东大会 2、会议的召集人：公司董事会 3、会议召开的合法、合规性：本次股东大会的召开已经公司第二届董事会 第三十二 ...

证券代码：003031 证券简称：中瓷电子 公告编号：2025-028 河北中瓷电子科技股份有限公司 第二届监事会第二十五次会议决议公告 本公司及监事会全体成员保证信息披露内容的真实、准确和完整，没有虚 假记载、误导性陈述或重大遗漏。 一、监事会会议召开情况 河北中瓷电子科技股份有限公司监事会于2025年4月11日分别以电子邮件、 书面送达的方式向全体董事发出召开第二届监事会第二十五次会议的通知。本次 会议于 2025 年 4 月 23 日在公司会议室以现场会议和视频会议相结合的方式召开。 公司本届监事会现有监事 3 人，实际出席会议的监事 3 人，会议由监事会主席戴 志华先生主持。会议的召集及召开程序符合《中华人民共和国公司法》等法律法 规和《河北中瓷电子科技股份有限公司章程》《河北中瓷电子科技股份有限公司 监事会议事规则》的有关规定。 二、监事会会议审议情况 会议审议并经表决，通过以下决议： （一）审议通过《关于公司 2024 年度监事会工作报告的议案》 具 体 内 容 详 见 公 司 于 同 日 在 指 定 信 息 披 露 媒 体 巨 潮 资 讯 网 （http://www.cninfo.com.cn） ...

证券代码：003031 证券简称：中瓷电子 公告编号：2025-027 河北中瓷电子科技股份有限公司 第二届董事会第三十二次会议决议公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚 假记载、误导性陈述或重大遗漏。 一、董事会会议召开情况 河北中瓷电子科技股份有限公司董事会于2025年4月11日分别以电子邮件、 书面送达的方式向全体董事发出召开第二届董事会第三十二次会议的通知。本次 会议于 2025 年 4 月 23 日在公司会议室以现场会议和视频会议相结合的方式召开。 公司本届董事会现有董事 11 人，实际出席会议的董事 11 人，会议由董事长卜爱 民先生主持。会议的召集及召开程序符合《中华人民共和国公司法》等法律法规 和《河北中瓷电子科技股份有限公司章程》《河北中瓷电子科技股份有限公司董 事会议事规则》的有关规定。 二、董事会会议审议情况 会议审议并经表决，通过以下决议： （一）审议通过《关于公司 2024 年度董事会工作报告的议案》 《河北中瓷电子科技股份有限公司 2024 年度董事会工作报告》内容详见公 司指定信息披露媒体巨潮资讯网（http://www.cninfo.com.cn ...

证券代码：003031 证券简称：中瓷电子 公告编号：2025-031 河北中瓷电子科技股份有限公司 关于2024年度利润分配预案的公告 河北中瓷电子科技股份有限公司（以下简称"公司"）于2025年4月23日召开 了第二届董事会第三十二次会议、第二届监事会第二十五次会议，审议通过了 《关于公司2024年度利润分配预案的议案》。 本议案尚需提交公司2024年年度股东大会审议，现将相关事项公告如下： 一、利润分配预案的基本情况 根据大华会计师事务所（特殊普通合伙）出具的标准无保留意见的审计报 告（大华审字〔2025〕0011000576号），中瓷电子2024年实现归属于上市公司 股东的净利润539,158,451.03元，母公司实现净利润293,766,098.13元，依据《公 司法》和《公司章程》的规定，按母公司净利润10%提取法定盈余公积金 29,376,609.81元，提取法定盈余公积金后，公司母公司报表中期末未分配利润 为966,859,829.96元，合并报表期末未分配利润为1,958,634,182.00元。 公司2024年度利润分配方案为：公司以总股本451,052,859股为基数，拟向 全体股东每 ...

Financial Performance - The company's revenue for Q1 2025 was CNY 613,825,226.42, representing a 12.01% increase compared to CNY 547,989,957.54 in the same period last year[5]. - Net profit attributable to shareholders was CNY 122,874,159.30, a significant increase of 48.81% from CNY 82,573,664.41 year-on-year[5]. - The net profit after deducting non-recurring gains and losses was CNY 113,604,102.24, up 68.76% from CNY 67,316,429.86 in the previous year[5]. - Total operating revenue for the current period reached ¥613,825,226.42, an increase of 11.97% compared to ¥547,989,957.54 in the previous period[20]. - Net profit for the current period was ¥139,035,324.50, representing a 39.93% increase from ¥99,405,375.68 in the previous period[22]. - Earnings per share (EPS) for the current period was ¥0.27, consistent with the previous period's EPS of ¥0.26[22]. Assets and Liabilities - The company's total assets increased by 2.63% to CNY 7,790,561,074.57 from CNY 7,590,678,002.43 at the end of the previous year[5]. - The company's cash and cash equivalents increased to ¥2,972,247,505.97 from ¥2,517,063,389.45, reflecting a growth of approximately 18.06%[16]. - Total liabilities increased to ¥1,263,087,232.21 from ¥1,206,154,136.51, marking a rise of 4.73%[18]. - The total liabilities include accounts payable of ¥608,644,505.48, up from ¥528,697,987.21, indicating an increase of approximately 15.12%[17]. - The total non-current assets decreased slightly to ¥2,209,231,807.30 from ¥2,134,818,740.07, a decline of about 3.49%[17]. Cash Flow - The net cash flow from operating activities decreased by 26.10% to CNY 187,197,527.72 compared to CNY 253,328,495.05 in the same period last year[5]. - The net cash flow from investing activities improved by 113.07%, reaching CNY 269,466,617.44, mainly due to the recovery of cash from structured deposits[11]. - The net cash flow from investment activities was $269,466,617.44, a significant improvement from a negative cash flow of $2,061,313,341.21 in the previous period[24]. - The total cash outflow from operating activities was $490,357,231.00, an increase of 14.5% compared to $428,230,645.97[24]. Shareholder Information - The total number of common shareholders at the end of the reporting period is 21,387[13]. - The largest shareholder, Hebei Semiconductor Research Institute, holds 54.41% of shares, totaling 245,418,282 shares[13]. Expenses - Total operating costs amounted to ¥480,455,609.64, up from ¥466,106,599.82, reflecting a growth of 3.93%[21]. - Research and development expenses were ¥70,651,789.52, slightly down from ¥72,267,587.48, reflecting a decrease of 2.23%[21]. - Financial expenses decreased by 312.70% to CNY -13,765,109.28, attributed to increased interest income from time deposits[10]. - The company reported a financial expense of -¥13,765,109.28, a significant increase in income compared to -¥3,335,360.72 in the previous period[21].

Profit Distribution and Financial Performance - The profit distribution plan approved by the board is to distribute a cash dividend of 4.2 CNY per 10 shares (including tax) based on a total of 451,052,859 shares[5]. - The company plans to distribute a cash dividend of 4.20 CNY per 10 shares, totaling 189,442,200.78 CNY, which represents 100% of the profit distribution amount[146]. - The net profit attributable to shareholders for 2024 is projected to be 539,158,451.03 CNY, with the parent company achieving a net profit of 293,766,098.13 CNY[146]. - The company’s retained earnings at the end of the reporting period amount to 1,958,634,182.00 CNY[146]. - The company’s profit distribution policy mandates a minimum cash dividend of 20% when in a growth phase with significant capital expenditures[146]. - The company achieved operating revenue of ¥2,648,495,638.64 in 2024, a decrease of 1.01% compared to the previous year[44]. - Net profit attributable to shareholders increased by 10.04% year-on-year, reaching ¥539,158,451.03[44]. - Revenue from electronic ceramic materials and components accounted for 59.62% of total revenue, with a slight increase of 1.23% from the previous year[45]. - Revenue from third-generation semiconductor devices and modules decreased by 12.05%, contributing 40.38% to total revenue[45]. Business Stability and Governance - The company has not changed its main business since its listing, indicating stability in its operations[18]. - The company has not experienced any changes in its controlling shareholders since its establishment, reflecting stability in ownership[18]. - The company maintains an independent asset structure, with no instances of asset or funds being occupied by the controlling shareholder[101]. - The company has established an independent financial department and operates its own bank accounts, ensuring financial independence from the controlling shareholder[102]. - The company has a complete governance structure with a board of directors, supervisory board, and various specialized committees[102]. - The company has committed to resolving existing minor competition issues with its controlling shareholder within five years post-restructuring[103]. Risk Management and Compliance - The company emphasizes the importance of understanding investment risks, including policy, operational, market, financial, and public opinion risks[3]. - The company acknowledges potential policy risks and plans to continuously monitor national economic policies to mitigate adverse impacts on development and fundraising projects[93]. - The company is addressing operational management risks by improving internal control systems and adopting advanced management concepts to meet future development needs[93]. - The company strictly adheres to the disclosure regulations set by the Shenzhen Stock Exchange and has provided accurate and timely information through official media[100]. - The company has not reported any major deficiencies in internal controls during the evaluation period, ensuring compliance with regulatory standards[151]. Research and Development - The company has a dedicated R&D team that independently develops core technologies and holds complete intellectual property rights[102]. - The company is actively involved in the development of third-generation semiconductor devices, contributing to the "new infrastructure" initiative in China[30]. - The company has established multiple R&D platforms for GaN RF devices, supporting business expansion and technology upgrades[35]. - The company has developed core technology indicators for ceramic heating plates that have reached international standards and have been validated by users[31]. - The company is focusing on the development of silicon carbide power modules and plans to establish a third-generation semiconductor process and packaging platform, enhancing technology levels and expanding production capacity[91]. Market Position and Competitive Advantage - The company holds the leading market share in GaN-based power amplifiers for 5G base stations in China[30]. - The company is a leading supplier of GaN RF chips in China, with a significant market share in the communication base station sector[39]. - The company has a complete industrial chain for silicon carbide power modules, covering R&D, design, manufacturing, and sales[39]. - The company has a strong competitive advantage in SiC power products, with existing modules including 650V, 1200V, and 1700V series, primarily used in electric vehicles and industrial power supplies[36]. - The company is recognized as the largest high-end electronic ceramic shell manufacturer in China, with continuous innovation in materials and lean technology[31]. Financial Management and Investments - The company has engaged Da Hua Accounting Firm for auditing, ensuring compliance and transparency in financial reporting[19]. - The company reported a total R&D expenditure of ¥289,917,905.59 in 2024, an increase of 3.09% from ¥281,239,548.28 in 2023, representing 10.95% of total revenue[59]. - The company has completed the acquisition of a 5.3971% stake in Beijing Guolian Wanzhong Semiconductor Technology Co., Ltd., making it a wholly-owned subsidiary[150]. - The company has engaged CITIC Securities and AVIC Securities as financial advisors for the period from November 16, 2023, to December 31, 2024[178]. - The company has not reported any significant changes in its operational or financial performance due to environmental issues[155]. Employee Management and Compensation - The total number of employees at the end of the reporting period is 915, with 617 from the parent company and 298 from major subsidiaries[137]. - The company has established a comprehensive employee compensation and benefits system to attract and retain key talent[139]. - The annual training plan includes various training programs aimed at enhancing employee skills and overall management quality[140]. - The total pre-tax compensation for directors, supervisors, and senior management during the reporting period amounted to 999.47 million CNY[127]. - The company emphasizes the importance of performance-based pay to align management interests with shareholder value[126]. Future Outlook and Strategic Initiatives - The company is focused on expanding its market presence and product offerings to maintain competitive advantages[44]. - The company plans to invest 4.15 million in production line construction, representing a 32% increase in capacity[83]. - The company is committed to innovation, with ongoing research in new technologies and products to meet market demands[114][115]. - Future guidance indicates a focus on sustainable growth and profitability, leveraging technological advancements and market expansion strategies[112][113]. - The company is exploring new market segments to diversify its revenue streams and reduce dependency on existing markets[113][114].

中瓷电子（003031）公告，2025年第一季度营收为6.14亿元，同比增长12.01%；净利润为1.23亿元，同 比增长48.81%。 ...