Market Overview - The main board saw significant gains with notable stocks such as Hubei Broadcasting (+10.04%), Tongding Internet (+10.02%), and Shanghai Film (+10.01%) leading the charge [1] - The ChiNext board also performed well, highlighted by Everbright Tongchuang (+20.01%) and Creative Information (+19.93%) [1] - The Sci-Tech Innovation board was led by Dekeli (+15.41%) and Lingzhi Software (+14.46%) [1] - Active sub-industries included SW Communication Application Value-Added Services (+3.09%) and SW Horizontal General Software (+3.01%) [1] Domestic News - Tianyue Advanced is expanding its production capacity for silicon carbide single crystal with a project to produce 500 tons annually, aiming for equipment installation by May 2025 and trial production by June [1] - Saizhuo Electronics has officially launched a vehicle-grade semiconductor packaging project with a total investment of 500 million, enhancing its strategic positioning in the vehicle-grade integrated circuit sector [1] - TSMC has commenced construction of its third semiconductor factory in Phoenix, Arizona, with completion expected between 2028 and 2030, utilizing advanced 2nm and 1.6nm process technologies [1] - Jinghe Integrated reported an increase in revenue from 55nm products, driven by higher shipments of DDIC/CIS products, with automotive chip development progressing smoothly [1] Company Announcements - Shen Si Electronics announced receipt of government subsidies amounting to 1.821 million yuan, representing 11.17% of its latest audited net profit attributable to shareholders [3] - Jiangbolong disclosed a plan for a major shareholder to reduce holdings by up to 4.16 million shares, accounting for 1.00% of total share capital, between May and August 2025 [3] - Tongguan Copper Foil reported a share buyback of 3,800 shares, representing 0.00046% of total share capital, with a total transaction amount of 37,976 yuan [3] - Huada Jiutian is progressing with a major asset restructuring, with ongoing audits and due diligence [3] Overseas News - Current global tariff rates, if unchanged, are expected to increase Apple's costs by $900 million for the quarter ending June [4] - Samsung Electronics is in discussions with Nvidia, Broadcom, and Google to develop custom 6th generation high bandwidth memory (HBM4), with deliveries anticipated as early as next year [4] - Samsung has confirmed plans to introduce vertical channel transistor (VCT) technology after the 7th generation 10nm DRAM process, with products expected in 2 to 3 years [4] - In Q1 2025, the global AMOLED smartphone panel market in South Korea accounted for 49.2%, while domestic manufacturers held a 50.8% share, showing resilience despite a year-on-year decline [4]

证券代码：002491 证券简称：通鼎互联 公告编号：2025-025 通鼎互联信息股份有限公司 第六届监事会第八次会议决议公告 本公司及监事会全体成员保证信息披露的内容真实、准确、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 通鼎互联信息股份有限公司（以下简称"公司"）于 2025 年 4 月 19 日以邮 件和电话的方式向全体监事发出第六届监事会第八次会议通知，会议于 2025 年 4 月 29 日在公司会议室以现场表决方式召开。本次会议应参与表决监事 3 名， 实际参与表决监事 3 名。会议的召开和表决程序符合《公司法》、《公司章程》 相关规定。 会议由监事会主席崔霏女士召集和主持。会议以投票表决的方式，通过了如 下决议： 二、监事会会议审议情况 （一）会议以 3 票同意，0 票反对，0 票弃权，审议通过了《2025 年第一季 度报告》。 《2025 年第一季度报告》全文详见公司于 2025 年 4 月 30 日披露在《证券 时报》、《上海证券报》及巨潮资讯网(http://www.cninfo.com.cn)上的《2025 年 第一季度报告》。 特此公告。 三、备查文件 通鼎互 ...

通鼎互联信息股份有限公司 第六届董事会第九次会议决议公告 本公司及董事会全体成员保证信息披露的内容真实、准确、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 通鼎互联信息股份有限公司（以下简称"公司"）于2025年4月19日以邮件 和电话方式向全体董事发出第六届董事会第九次会议通知，会议于2025年4月29 日在公司会议室以现场结合通讯表决方式召开。本次会议应出席董事9名，实际 出席董事9名（其中董事王先革、郭红彪、王斌，独立董事吴士敏、杨友隽、王 涌以通讯表决方式参加会议）。 会议由董事长沈小平先生主持，公司监事和高级管理人员列席了会议，会议 的通知、召开以及参与表决董事人数均符合法律、法规及《公司章程》的有关规 定。 二、董事会会议审议情况 证券代码：002491 证券简称：通鼎互联 公告编号：2025-024 （一）会议以9票同意，0票反对，0票弃权，审议通过了《2025年第一季度 报告》。 《2025年第一季度报告》全文详见公司于2025年4月30日披露在《证券时报》、 《上海证券报》及巨潮资讯网(http://www.cninfo.com.cn)上的《2025年第一季度 报告》 ...

Financial Performance - The company's revenue for Q1 2025 was ¥660,085,265.09, a decrease of 15.27% compared to ¥779,010,791.95 in the same period last year[5] - Net profit attributable to shareholders was ¥131,645,459.28, a significant increase of 582.97% from a loss of ¥27,257,216.70 in the previous year[5] - Basic and diluted earnings per share were both ¥0.1070, reflecting an increase of 581.98% from -¥0.0222 in the previous year[5] - Total operating revenue for the current period is ¥660,085,265.09, a decrease of 15.3% from ¥779,010,791.95 in the previous period[18] - Net profit for the current period is ¥130,805,984.81, compared to a net loss of ¥27,589,707.43 in the previous period[19] - Earnings per share (EPS) for the current period is ¥0.1070, a significant improvement from a loss of ¥0.0222 in the previous period[20] - The total comprehensive income for the current period is ¥130,805,984.81, compared to a loss of ¥27,589,707.43 in the previous period[20] Cash Flow - The net cash flow from operating activities improved by 44.19%, reaching -¥46,678,997.17 compared to -¥83,645,612.91 in the same period last year[5] - Cash flow from operating activities shows a net outflow of ¥46,678,997.17, an improvement from a net outflow of ¥83,645,612.91 in the previous period[20] - The net cash flow from investing activities was -$56,420,038.36, compared to -$52,599,267.00 in the previous period, indicating an increase in cash outflow by approximately 7.4%[21] - Cash inflow from financing activities totaled $258,800,000.00, a significant decrease from $531,970,000.00 in the prior period, reflecting a decline of about 51.4%[21] - The net cash flow from financing activities improved to $57,579,659.88, compared to $26,997,831.02 in the previous period, showing an increase of approximately 113.5%[21] - The ending cash and cash equivalents balance was $166,527,586.04, down from $267,652,440.47, representing a decrease of about 37.7%[21] - The net increase in cash and cash equivalents was -$45,520,857.29, compared to -$109,246,075.19 in the previous period, indicating an improvement in cash flow by approximately 58.3%[21] - The company’s cash and cash equivalents at the beginning of the period were $212,048,443.33, down from $376,898,515.66, a decrease of about 43.7%[21] Assets and Liabilities - Total assets increased by 11.81% to ¥6,121,228,621.92 from ¥5,474,588,958.35 at the end of the previous year[5] - Current assets amounted to CNY 4,177,868,422.76, up from CNY 3,572,860,147.73, indicating a growth of about 16.9%[14] - The company's cash and cash equivalents increased to CNY 1,280,564,099.13 from CNY 860,912,946.47, representing a growth of approximately 48.8%[14] - Total liabilities increased to CNY 3,334,631,177.64 from CNY 2,841,277,002.10, reflecting a growth of approximately 17.3%[15] - Total liabilities increased to ¥3,431,313,220.04 from ¥2,915,479,541.28, reflecting a growth of 17.6%[18] - The total equity attributable to shareholders increased to ¥2,677,439,259.00 from ¥2,545,793,799.72, a rise of 5.2%[18] Investments and Expenses - Research and development expenses rose by 76.37% compared to the same period last year, indicating increased investment in innovation[9] - Research and development expenses increased to ¥43,511,983.15 from ¥24,670,658.93, indicating a focus on innovation[18] - Investment income surged by 992.68% year-on-year, primarily due to increased gains from copper futures hedging[9] - The company reported a significant investment income of ¥3,149,577.61, compared to a loss of ¥352,820.97 in the previous period[19] - The company experienced a 69.49% increase in deferred tax liabilities, attributed to fair value changes in trading financial assets[9] Shareholder Information - The number of ordinary shareholders at the end of the reporting period was 74,378, with no preferred shareholders[10] - The company holds 14,007,400 shares of Nanjing Yun Chuang Data Technology Co., Ltd., accounting for 10.58% of its total share capital[13] - The company has pledged a significant portion of its shares, with major shareholders like Tongding Group holding 31.51% and pledging 355,270,000 shares[12] - The company is actively involved in financing and securities lending, with several major shareholders participating in margin trading[12] Accounting and Reporting - The company’s first quarter report was not audited, which may impact the reliability of the financial data presented[22] - The company will implement new accounting standards starting in 2025, which may affect future financial reporting[22]

通鼎互联（002491）公告，2025年第一季度营业收入6.6亿元，同比下降15.27%。净利润1.32亿元，同 比增长582.97%。 ...

Core Insights - Tongding Interconnection reported a satisfactory performance for the fiscal year 2024, achieving operating revenue of 2.915 billion yuan and a net profit of 77 million yuan, demonstrating strong resilience and innovation in a complex economic environment [1] Business Performance - The core business of Tongding Interconnection maintained stable growth, with the power cable segment generating sales revenue of 1.118 billion yuan, a year-on-year increase of 5.72%, while the communication cable segment achieved sales revenue of 1.143 billion yuan [2] - In Q4 2024, the company recorded a single-quarter operating revenue of 745 million yuan and a net profit attributable to shareholders of 69.21 million yuan, marking a significant year-on-year increase of 126.22% [2] Emerging Business Growth - The network security segment, under the wholly-owned subsidiary Baizhuo Network, achieved a breakthrough with operating revenue of 120 million yuan, a year-on-year growth of 30.05%, successfully turning profitable [3] Innovation and R&D - Tongding Interconnection is recognized as a key high-tech enterprise under the National Torch Program, with a strong commitment to innovation. The company has established 4 national-level and 9 provincial-level R&D platforms, resulting in a total of 575 authorized patents, including 311 invention patents [4] Industry Position and Future Outlook - The company has developed a comprehensive industrial chain from preform, fiber, and cable to communication and power cables, enhancing its competitive advantage and cost control capabilities [5] - Looking ahead, Tongding Interconnection plans to focus on digital transformation of its traditional businesses, expand into the national grid and railway markets, and strengthen its network security segment to achieve dual growth in revenue and profit [5]

通鼎互联信息股份有限公司 2024 年度财务报表审计报告 天衡审字(2025)00845 号 天衡会计师事务所(特殊普通合伙) 您可使用手机"扫一扫"或进入"注册会计师行业统一监管平台（http://acc.mof.gov.cn） 审计报告 天衡审字(2025)00845 号 通鼎互联信息股份有限公司全体股东: 一、审计意见 我们审计了通鼎互联信息股份有限公司(以下简称通鼎股份公司)财务报表,包括2024 年12月31日的合并及母公司资产负债表,2024年度的合并及母公司利润表、合并及母公司现 金流量表、合并及母公司股东权益变动表以及相关财务报表附注。 我们认为,后附的财务报表在所有重大方面按照企业会计准则的规定编制，公允反映了 通鼎股份公司2024年12月31日的合并及母公司财务状况以及2024年度的合并及母公司经营成 果和现金流量。 二、形成审计意见的基础 我们按照中国注册会计师审计准则的规定执行了审计工作。审计报告的"注册会计师对 财务报表审计的责任"部分进一步阐述了我们在这些准则下的责任。按照中国注册会计师职 业道德守则,我们独立于通鼎股份公司,并履行了职业道德方面的其他责任。我们相信,我 们获取的审 ...

通鼎互联信息股份有限公司 2024 年度内控审计报告 按照《企业内部控制审计指引》及中国注册会计师执业准则的相关要求，我们审计了通 鼎互联信息股份有限公司 2024 年 12 月 31 日的财务报告内部控制的有效性。 一、企业对内部控制的责任 按照《企业内部控制基本规范》、《企业内部控制应用指引》、《企业内部控制评价指 引》的规定，建立健全和有效实施内部控制，并评价其有效性是通鼎互联信息股份有限公司 董事会的责任。 二、注册会计师的责任 我们的责任是在实施审计工作的基础上，对财务报告内部控制的有效性发表审计意见， 并对注意到的非财务报告内部控制的重大缺陷进行披露。 三、内部控制的固有局限性 天衡专字(2025)00462 号 天衡会计师事务所（特殊普通合伙） 内部控制审计报告 天衡专字(2025)00462 号 通鼎互联信息股份有限公司全体股东： 四、财务报告内部控制审计意见 我们认为，通鼎互联信息股份有限公司于 2024 年 12 月 31 日按照《企业内部控制基本 规范》和相关规定在所有重大方面保持了有效的财务报告内部控制。 天衡会计师事务所（特殊普通合伙） 中国注册会计师：邱平 中国·南京 2025 年 ...

通鼎互联信息股份有限公司 独立董事2024年度述职报告 （吴士敏） 各位股东及股东代表： 本人作为通鼎互联信息股份有限公司（以下简称"公司"）的独立董事，严 格按照《公司法》、《上市公司独立董事管理办法》、《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》等法律、法规和《公司章程》、 《独立董事工作制度》的规定，在2024年度工作中忠实履行职责，积极出席相关 会议，认真审议董事会各项议案，对公司重大事项发表了独立意见，充分发挥了 独立董事作用，维护了公司整体利益，维护了公司和全体股东尤其是中小股东的 合法权益。现将2024年度的主要工作情况报告如下： 一、 独立董事的基本情况 本人吴士敏，1959年6月出生，中国国籍，无境外永久居留权，研究生学历。 1982年参加工作，先后担任上海电缆研究所助理工程师、工程师、高级工程师： 2001年12月至今历任中国电器工业协会电线电缆分会副秘书长、常务副秘书长、 顾问，2014年至今兼任全国电线电缆标准化技术委员会(SAC/TC213)委员、技术 小组(TG1)成员；2017年至今兼任中国电工技术学会电线电缆专委会委员；2020 年7月至今任公司独立董 ...

证券代码：002491 证券简称：通鼎互联 公告编号：2025-017 通鼎互联信息股份有限公司 关于确认2024年度日常关联交易及预计2025年度日常关联交易 的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 一、日常关联交易基本情况 1、日常关联交易概述 本公司已召开 2025 年第一次独立董事专门会议对上述议案进行审议，独立 董事全票同意将该议案提交董事会审议。 根据通鼎互联信息股份有限公司（以下简称"公司"）及下属子公司生产经 营需要，需对 2025 年公司与关联方发生的日常关联交易进行预计。2024 年度确 认公司与关联方发生日常关联交易总金额为人民币 1300.51 万元。2025 年度预计 公司将与关联方发生日常关联交易总金额不超过人民币 3,166.92 万元。 本议案将提交公司 2024 年年度股东大会审议，关联股东通鼎集团、沈小平 应回避表决。 2、预计日常关联交易类别和金额 单位：万元 | 关联交易类 | | | 关联 交易 | 年预 2025 | 截至披露 | 上年发 | | --- | --- | --- | --- | --- ...