证券代码：603421 证券简称：鼎信通讯 公告编号：2025-037 青岛鼎信通讯股份有限公司 （一）审议通过《关于取消监事会及修订<公司章程>的议案》 具体内容详见公司披露于上海证券交易所网站（www.sse.com.cn）的《鼎信 通讯关于取消监事会、修订<公司章程>及制定部分公司治理制度的公告》。 表决结果：8 票同意，0 票反对，0 票弃权。 第五届董事会第十二次会议决议公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、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法律责任。 一、 董事会会议召开情况 青岛鼎信通讯股份有限公司（以下简称"公司"）第五届董事会第十二次会 议通知于 2025 年 7 月 16 日以邮件和书面的形式发出，会议于 2025 年 7 月 21 日以现场结合通讯表决的方式召开。本次会议应到董事 8 名，实到董事 8 名。公 司 3 名监事及部分高级管理人员列席了会议。本次会议的通知和召开符合《公司 法》及《公司章程》的规定，召开程序合法有效。 二、 董事会会议审议情况 经出席会议的有表决权董事审议，以投票表决方式通过以下议案： 上述议案已经公司第五 ...

青岛鼎信通讯股份有限公司 信息披露暂缓与豁免制度 2025 年 7 月 第一章 总则 第一条 为规范青岛鼎信通讯股份有限公司（以下简称"公司"）及相关信 息披露义务人（以下统称"信息披露义务人"）的信息披露暂缓、豁免行为，依 法合规履行信息披露义务，保护投资者的合法权益，公司根据《中华人民共和国 保守国家秘密法》《中华人民共和国证券法》等相关法律、法规、规范性文件及 《青岛鼎信通讯股份有限公司章程》（以下简称《公司章程》）等的相关规定， 特制定本制度。 第二条 信息披露义务人暂缓、豁免披露临时报告，在定期报告、临时报告 中豁免披露中国证券监督管理委员会和证券交易所规定或者要求披露的内容，适 用本制度。 第四条 信息披露义务人应当审慎确定信息披露暂缓、豁免事项，履行内部 审核程序后实施。 暂缓、豁免事项的范围原则上应当与公司股票首次在证券交易所上市时保持 一致，在上市后拟增加暂缓、豁免披露事项的，应当有确实充分的证据。 第五条 信息披露义务人有确实充分的证据证明拟披露的信息涉及国家秘密 或者其他因披露可能导致违反国家保密规定、管理要求的事项（以下统称"国家 秘密"），依法豁免披露。 第六条 信息披露义务人有保守 ...

青岛鼎信通讯股份有限公司 市值管理制度 2025 年 7 月 第一章 总则 第一条 为切实推动青岛鼎信通讯股份有限公司(以下简称"公司")市值 管理工作，进一步规范公司的市值管理行为，维护公司、投资者及其他利益相 关者的合法权益，公司根据《中华人民共和国公司法》《中华人民共和国证券 法》《上海证券交易所股票上市规则》《上市公司监管指引第 10 号--市值管理》 等法律法规，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和水平而实施的战略管理行为。 第二章 市值管理的目的与基本原则 第三条 市值管理主要目的是通过制定正确战略规划、完善公司治理、改进 经营管理、可持续地创造公司价值，引导公司的市场价值与内在价值趋同，以 及通过资本运作、权益管理、投资者关系管理等手段提升公司市场形象与品牌 价值，达到公司整体利益最大化和股东财富增长并举的目标，建立稳定和优质 的投资者基础，获得长期的市场支持，实现公司市值与内在价值的动态均衡。 第四条 市值管理的基本原则： (一)系统性原则：影响公司市值的因素众多,市值管理须秉持系统思维、循 序推进的原则，系统化改善影响公 ...

Group 1 - The company expects a net loss of between 190 million to 227 million yuan for the first half of 2025, with a non-recurring net loss between 190 million to 232 million yuan [1] - The company's power business has been significantly impacted by being blacklisted by the State Grid Corporation of China for two years and facing a 15-month market ban from the Southern Power Grid [1] - The company's revenue is highly dependent on policies and investment plans set by the State Grid and Southern Power Grid, leading to a substantial decline in order volume [1] Group 2 - In the first quarter of 2025, the company reported revenue of 227 million yuan, a year-on-year decrease of 51.5%, and a net loss of 139 million yuan, further widening the loss compared to the previous year [2] - The company acknowledges that the recovery of bidding qualifications from the Southern Power Grid will have a lagging effect on order support, and the risk of declining revenue will not ease in the short term [2] - The company has faced multiple investor lawsuits, with a total compensation amounting to 32,800 yuan as of the announcement date, excluding litigation fees [2]

Group 1 - The company expects a net profit attributable to shareholders of the parent company for the first half of 2025 to be between -190 million and -227 million yuan [1] - The expected net profit attributable to shareholders of the parent company, after deducting non-recurring gains and losses, is projected to be between -194 million and -232 million yuan [1] - The financial data in this performance forecast has not been audited by a registered accountant [1] Group 2 - In the same period last year, the net profit attributable to shareholders of the parent company was -48.648 million yuan [2] - The net profit attributable to shareholders of the parent company, after deducting non-recurring gains and losses, was -49.476 million yuan [2] - The earnings per share for the previous year was -0.07 yuan [2] Group 3 - The main reasons for the current period's losses include a significant decline in order volume due to being blacklisted by the State Grid Corporation of China for two years and a 15-month market ban by China Southern Power Grid [2] - The company's transition to a solution provider model requires time for profitability to grow [2] - The fire protection business has been adversely affected by the ongoing adjustments in the real estate industry, leading to a substantial decline in operating revenue [2]

证券代码：603421 证券简称：鼎信通讯 公告编号：2025-036 青岛鼎信通讯股份有限公司 业绩预告的具体适用情形：净利润为负值。 青岛鼎信通讯股份有限公司（以下简称"公司"）预计 2025 年半年度实 现归属于母公司所有者的净利润为-19,000 万元至-22,700 万元。 公司预计 2025 年半年度实现归属于母公司所有者的扣除非经常性损益 后的净利润为-19,400 万元至-23,200 万元。 一、本期业绩预告情况 （一）业绩预告期间 2025 年 1 月 1 日至 2025 年 6 月 30 日。 2025 年半年度业绩预告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、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法律责任。 重要内容提示： （二）业绩预告情况 归属于母公司所有者的扣除非经常性损益的净利润：-4,947.60 万元。 （二）每股收益：-0.07 元。 三、本期业绩亏损的主要原因 报告期内，电力业务受国家电网有限公司列入黑名单 2 年及南方电网有限责 任公司市场禁入处理措施 15 个月的影响，中标订单量大幅萎缩。业务模式转变 后，公司作为解决方案提 ...

Core Viewpoint - Dingxin Communication (603421) expects a net loss attributable to shareholders of the parent company between -190 million to -227 million yuan for the first half of 2025, with a net profit excluding non-recurring gains and losses between -194 million to -232 million yuan [1] Group 1: Financial Performance - The company anticipates a significant net loss for the reporting period due to adverse impacts on its power business from being blacklisted by State Grid Corporation of China and market entry restrictions from Southern Power Grid Co., Ltd [1] - The fire protection business has also been negatively affected by the ongoing adjustments in the real estate industry, leading to a substantial decline in operating revenue [1] Group 2: Business Impact - The reduction in order volume for the power business has been described as a major factor contributing to the expected losses [1] - The overall financial performance is heavily influenced by external regulatory and market conditions, particularly in the power and real estate sectors [1]

Group 1 - Qingdao Dingxin Communication Co., Ltd., Qingdao Zhidian New Energy Technology Co., Ltd., and Qingdao Dingxin Communication Power Engineering Co., Ltd. have obtained a patent for a signal processing circuit for Rogowski coils, which is applicable in the smart grid sector [1] - The patent features real-time measurement capabilities, fast response speed, and a wide current measurement range, ensuring measurement accuracy even under low current conditions [1] - The signal processing circuit includes components such as a passive RC integration circuit, low-pass filter circuit, T-type integration circuit, and anti-aliasing filter circuit, which work together to convert and process current signals [1] Group 2 - Qingdao Dingxin Communication Co., Ltd. was established in 2008 with a registered capital of 652.19 million RMB and has participated in 2,622 bidding projects [2] - Qingdao Zhidian New Energy Technology Co., Ltd. was founded in 2015 with a registered capital of 48.64 million RMB and has been involved in 142 bidding projects [2] - Qingdao Dingxin Communication Power Engineering Co., Ltd. was also established in 2015 with a registered capital of 7.5 million RMB and has participated in 27 bidding projects [2]

Core Viewpoint - The continuous decline in the number of shareholders for certain companies indicates a trend of increasing concentration of shares, with 343 companies reporting their latest shareholder numbers as of June 10, showing that 34 companies have seen a decline for more than three consecutive periods [1] Group 1: Shareholder Trends - Companies like Kangxin New Materials and Dingxin Communications have experienced a significant drop in shareholder numbers, with Kangxin New Materials reporting 42,574 shareholders, a cumulative decrease of 29.28%, and Dingxin Communications reporting 29,453 shareholders, a cumulative decrease of 24.43% [1] - Other companies with notable declines in shareholder numbers include Junwei Electronics and Chuangyitong, with Junwei Electronics experiencing a decline for 10 consecutive periods [1] Group 2: Market Performance - Among the companies with declining shareholder numbers, 25 have seen their stock prices rise, while 9 have experienced declines, with Tianfu Communication, Dongshan Precision, and Sudar Shares showing significant increases of 42.05%, 18.39%, and 17.40% respectively [2] - 22 of these companies outperformed the Shanghai Composite Index, with Tianfu Communication, *ST Lanhua, and Dongshan Precision achieving relative returns of 40.24%, 16.69%, and 16.58% respectively [2] Group 3: Industry and Institutional Interest - The industries with the highest concentration of companies experiencing declining shareholder numbers include machinery, electronics, and communications, with 5, 5, and 3 companies respectively [2] - In terms of institutional interest, 5 companies with declining shareholder numbers were subject to institutional research in the past month, with Tianfu Communication, Xinshi Da, and Ximai Food receiving the most attention from institutions [2]

Group 1 - The core point of the announcement is the transfer of shares from the controlling shareholder Wang Jianhua to Zhang Qi due to a marital property division, resulting in a non-trading transfer of 60,593,352 shares, which accounts for 9.29% of the company's total share capital [1] - Before the transfer, Wang Jianhua held 152,168,236 shares (23.33% of total share capital), and after the transfer, he holds 91,574,884 shares (14.04% of total share capital) [1] - The transfer does not involve market reduction, does not trigger a mandatory bid, and does not change the controlling shareholder or actual controller of the company, ensuring no harm to the company or minority investors [1] Group 2 - The company emphasizes compliance with relevant regulations regarding shareholder and director share reductions, including the Securities Law and the Shanghai Stock Exchange's self-regulatory guidelines [2]