通鼎互联信息股份有限公司（以下简称"公司"）存在为资产负债率超过70% 的子公司提供担保的情况，请投资者充分关注担保风险。 一、担保情况概述 证券代码：002491 证券简称：通鼎互联 公告编号：2026-002 通鼎互联信息股份有限公司 关于为子公司提供担保的进展公告 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。 特别提示： 近日，公司全资子公司苏州通鼎新能源有限公司（以下简称"通鼎新能源"） 因业务发展需要，拟向浙江秦隆商业银行股份有限公司吴江支行（以下简称"泰 隆银行吴江支行"）申请总额为人民币300万元的银行借款，期限一年。公司为 上述贷款提供连带责任保证担保，保证合同项下担保的主债权余额最高不超过人 民币375万元整。 根据公司2024年年度股东大会审议通过的《关于为子公司提供担保的议案》， 公司在股东大会授权期限内可为通鼎新能源及其子公司提供的担保额度合计为 20,000万元。公司股东大会授权公司管理层根据实际情况，在担保额度范围内实 施具体担保事项并签署相关担保文件。具体内容详见公司于2025年4月26日披露 于《证券时报》和巨潮资讯网的《关于 ...

证券代码：002491 证券简称：通鼎互联 公告编号：2026-001 通鼎互联信息股份有限公司 关于审计机构变更签字注册会计师的公告 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。 签字注册会计师：冒银寅女士，2019 年成为中国注册会计师，2012 年开始 从事上市公司审计工作，2019 年开始在天衡会计师事务所执业，近三年已签署 或复核 1 家上市公司审计报告。 （二）诚信和独立性情况 冒银寅女士近三年未受到任何刑事处罚及行政处罚，未因执业行为受到证券 监督管理机构的行政监督管理措施，未因执业行为受到证券交易所、行业协会等 自律组织的自律监管措施、纪律处分。冒银寅女士不存在违反《中国注册会计师 职业道德守则》有关独立性要求的情形。 通鼎互联信息股份有限公司（以下简称"通鼎互联"或"公司"）分别于 20 25 年 4 月 25 日召开第六届董事会第八次会议、第六届监事会第七次会议，2025 年 6 月 10 日召开 2024 年年度股东大会审议通过了《关于续聘公司 2025 年度会 计师事务所的议案》，同意续聘天衡会计师事务所(特殊普通合伙)（以下简称"天 ...

Group 1 - The core viewpoint of the news is that Tongding Interconnection's stock has shown fluctuations in price and trading volume, with a recent increase of 2.16% and a total market capitalization of 7.564 billion yuan [1] - As of January 6, the stock price is reported at 6.15 yuan per share, with a trading volume of 253 million yuan and a turnover rate of 3.55% [1] - The company has experienced a year-to-date stock price increase of 2.50%, a decline of 3.00% over the last five trading days, and increases of 7.71% and 15.38% over the last 20 and 60 days, respectively [1] Group 2 - Tongding Interconnection's main business includes the research, production, and sales of optical fibers, communication cables, and related hardware and software systems, with revenue contributions from various segments [1] - The revenue composition is as follows: power cables 46.66%, communication cables 28.83%, communication equipment 9.24%, security business 7.91%, optical fibers and cables 5.73%, and others 1.64% [1] - As of September 30, the company reported a revenue of 2.446 billion yuan for the first nine months of 2025, reflecting a year-on-year growth of 12.71%, while the net profit attributable to shareholders was a loss of 65.4676 million yuan, a decrease of 906.66% compared to the previous period [2] Group 3 - Since its A-share listing, Tongding Interconnection has distributed a total of 466 million yuan in dividends, with no dividends paid in the last three years [3] - As of September 30, 2025, the number of shareholders increased by 4.17% to 83,800, while the average circulating shares per person decreased by 4.00% to 14,037 shares [2] - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited holds 24.5077 million shares, an increase of 7.7909 million shares from the previous period [3]

Core Insights - The communication cable industry in China is experiencing steady growth driven by the increasing demand for 5G networks, gigabit optical networks, and the development of the "dual-gigabit" network [1][12] - The market size of China's communication cable industry is projected to grow from 794.8 billion yuan in 2018 to 1200 billion yuan by 2025, with a compound annual growth rate (CAGR) of 5% [1][13] Industry Overview - Communication cables are essential for transmitting telecommunication signals and are categorized into various types based on their structure and application [4] - The industry is supported by government policies aimed at promoting the development of communication cables, including initiatives for advanced technology applications [4][5] Market Demand - As of October 2025, the total number of fixed internet broadband users in China is expected to reach 697 million, with a net increase of 27.01 million users from 2024 [1] - The number of mobile IoT terminal users is projected to reach 2.89 billion, reflecting a net increase of 23.4 million users from 2024 [1] Industry Growth Factors - The exponential growth in data traffic due to the increasing number of internet users and the proliferation of mobile internet is driving the demand for communication infrastructure and cables [1] - The large-scale commercialization of 5G technology requires a vast amount of communication cables to support dense base station construction and extensive network deployment [1] Application Areas - The traditional communication sector remains dominant, accounting for 58.5% of total revenue, while high-speed communication devices are expected to capture 14.8% of the market by 2024 [10] - Emerging applications in smart manufacturing, smart cities, and the Internet of Things (IoT) are expanding the use of communication cables in diverse scenarios [1][10] Industry Structure - The communication cable industry features a competitive landscape with a mix of leading national enterprises and numerous small to medium-sized companies focusing on niche markets [13] - Key players in the industry include companies like Walden Materials, Wanma Co., Hengtong Optic-electric, and Tongding Interconnection Information [2][13] Future Trends - The industry is expected to evolve towards higher speeds, integration of functionalities, and sustainability, with a focus on developing multi-functional cables that can handle data transmission, power supply, and sensing [15][16][18] - The shift towards green practices will involve the use of eco-friendly materials and the establishment of efficient recycling systems throughout the cable lifecycle [18]

证券代码：002491 证券简称：通鼎互联 公告编号：2025-072 通鼎互联信息股份有限公司 关于原持股 5%以上股东减持计划实施完成的公告 公司股东东吴创业投资有限公司－苏州市吴企创基股权投资合伙企业(有限合伙) 保证向本公司提供的信息内容真实、准确、完整，没有虚假记载、误导性陈述或重大遗 漏。 1 | 股东名称 | 减持方式 | 减持期间 | 减持均 价（元/ 股） | 减持股数 （股） | 减持比例 | | --- | --- | --- | --- | --- | --- | | 吴企创基 | 集中竞价 | 2025年12月17日-2025 年12月26日 | 6.42 | 6,058,000 | 0.49% | | | 合计 | | 6.42 | 6,058,000 | 0.49% | 注：吴企创基本次减持股份来源为协议转让受让的股份，减持价格区间为 5.66元/股-6.84元/股。 | 2、股东本次减持前后持股情况 | | --- | | 股东名称 | 股份性质 | 本次减持前持有股份 | | 本次减持后持有股份 | | | --- | --- | --- | --- | --- | --- ...

Core Viewpoint - Tongding Interconnection's stock has experienced fluctuations, with a recent decline of 2.05% and a year-to-date increase of 20.82% [1] Group 1: Stock Performance - As of December 29, Tongding Interconnection's stock price is 6.21 CNY per share, with a total market capitalization of 7.638 billion CNY [1] - The stock has seen a net outflow of 34.29 million CNY in principal funds, with significant selling pressure observed [1] - Over the past five trading days, the stock has decreased by 10.65%, while it has increased by 9.52% over the last 20 days and 17.61% over the last 60 days [1] Group 2: Company Overview - Tongding Interconnection, established on February 7, 2001, and listed on October 21, 2010, is based in Suzhou, Jiangsu Province [2] - The company specializes in the R&D, production, and sales of optical fibers, communication cables, and related hardware and software systems [2] - The revenue composition includes: 46.66% from power cables, 28.83% from communication cables, 9.24% from communication equipment, 7.91% from security business, 5.73% from optical fibers and cables, and 1.64% from other sources [2] Group 3: Financial Performance - For the period from January to September 2025, Tongding Interconnection reported revenue of 2.446 billion CNY, reflecting a year-on-year growth of 12.71% [2] - The net profit attributable to the parent company was -65.47 million CNY, a decrease of 906.66% compared to the previous year [2] Group 4: Shareholder Information - As of September 30, 2025, the number of shareholders increased to 83,800, with an average of 14,037 shares held per shareholder, a decrease of 4.00% [2] - The company has distributed a total of 466 million CNY in dividends since its A-share listing, with no dividends paid in the last three years [3] - Hong Kong Central Clearing Limited is the third-largest circulating shareholder, holding 24.5077 million shares, an increase of 7.7909 million shares from the previous period [3]

Core Viewpoint - Tongding Interconnection's stock has experienced fluctuations, with a recent decline of 2.02% and a year-to-date increase of 22.76% [1] Group 1: Stock Performance - As of December 26, Tongding Interconnection's stock price is 6.31 CNY per share, with a total market capitalization of 7.76 billion CNY [1] - The stock has seen a net outflow of 30.23 million CNY in principal funds, with significant trading activity including a total buy of 32.5 million CNY and a sell of 14.7 million CNY on December 19 [1] - Over the past five trading days, the stock has decreased by 11.87%, while it has increased by 12.28% over the last 20 days and 14.52% over the last 60 days [1] Group 2: Company Overview - Tongding Interconnection, established on February 7, 2001, and listed on October 21, 2010, is based in Suzhou, Jiangsu Province, and specializes in the R&D, production, and sales of optical fibers, communication cables, and related systems [2] - The company's revenue composition includes: 46.66% from power cables, 28.83% from communication cables, 9.24% from communication equipment, 7.91% from security business, 5.73% from optical fibers and cables, and 1.64% from other sources [2] - As of September 30, 2025, the company reported a revenue of 2.446 billion CNY, a year-on-year increase of 12.71%, but a net profit loss of 65.47 million CNY, a decrease of 906.66% compared to the previous year [2] Group 3: Shareholder Information - As of September 30, 2025, the number of shareholders has increased to 83,800, with an average of 14,037 shares held per person, a decrease of 4.00% from the previous period [2] - The company has distributed a total of 466 million CNY in dividends since its A-share listing, with no dividends paid in the last three years [3] - Hong Kong Central Clearing Limited is the third-largest shareholder, holding 24.51 million shares, an increase of 7.79 million shares from the previous period [3]

Group 1 - The company received a notification from its shareholder, Dongwu Venture Capital Co., Ltd., regarding a reduction in shareholding that fell below 5% [9][10] - After the reduction, the shareholder's stake decreased from 5.4817% to 4.999998%, and it no longer qualifies as a major shareholder [9][10] - This change in shareholding will not affect the company's controlling shareholder or its governance structure [9] Group 2 - The company held its 14th meeting of the 6th Board of Directors on December 19, 2025, where several proposals were approved [12][13] - The board approved the establishment of a joint venture company, Jiangsu Dingchun Technology Co., Ltd., with a registered capital of 10 million RMB, where the company will hold 45% of the shares [20] - The board also approved an increase in the company's business scope to include recycling of renewable resources and related activities [40] Group 3 - The company plans to hold its first extraordinary shareholders' meeting of 2026 on January 7, 2026, to discuss the approved proposals [44][46] - The meeting will allow for both on-site and online voting, ensuring participation from all shareholders [46][50] - The company will provide a platform for shareholders to vote online, with specific instructions for participation [54]

Core Viewpoint - Tongding Interconnection plans to establish a joint venture, Jiangsu Dingchun Technology Co., Ltd., with partners to enhance its competitiveness in upstream core material fields and promote business development [1][2] Group 1: Joint Venture Details - The registered capital of Dingchun Technology is set at 10 million yuan, with Tongding contributing 4.5 million yuan for a 45% stake [1] - Other partners include Jiangsu Mulinsen High-tech Materials Co., Ltd. with a 40% stake, and individuals Li Xiangyu and Qian Feiyi holding 10% and 5% stakes respectively [1] - Tongding will control 60% of the voting rights through a voting rights entrustment agreement with Li and Qian, allowing it to secure a majority of board seats and key management nominations [1][2] Group 2: Strategic Implications - The joint venture aligns with Tongding's overall development strategy and aims to strengthen its core competitiveness in the supply of high-purity materials [1][4] - The partnership with Mulinsen, which focuses on ultra-pure basic materials, complements Tongding's business and allows for rapid entry into the ultra-pure materials market [3][4] Group 3: Financial and Market Outlook - Mulinsen is currently in its early development stage, projecting revenues of 88,500 yuan in 2024 but facing a net loss of 8.26 million yuan [3] - The joint venture's business direction is expected to have significant market potential due to the growing demand for ultra-pure materials in the electronics industry [4] - Tongding's investment of 4.5 million yuan is considered limited in impact on its financial status, reflecting a prudent investment strategy [4]

证券日报网讯 12月22日晚间，通鼎互联发布公告称，公司第六届董事会第十四次会议审议通过《关于 召开2026年第一次临时股东会的议案》。 （文章来源：证券日报） ...