关于为子公司提供担保的进展公告 证券代码：603421 证券简称：鼎信通讯 公告编号：2025-028 青岛鼎信通讯股份有限公司 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： 被担保人名称： 青岛智电新能科技有限公司（以下简称为"智电新能"）、青岛鼎信通讯消 防安全有限公司（以下简称为"鼎信消防"） 本次担保金额及已实际为其提供的担保余额： 青岛鼎信通讯股份有限公司（以下简称为"公司"）本次分别为子公司智电 新能提供 13,000 万元的担保、为鼎信消防提供 7,000 万元的担保。截至本公告 披露日，公司及子公司已实际对外担保余额为人民币 83,115.79 万元。 本次担保是否有反担保：无 对外担保逾期的累计数量：公司及公司子公司均无对外逾期担保。 特别风险提示：本次被担保人中的智电新能资产负债率超过 70%，敬请 投资者注意投资风险。 一、担保情况概述 （一）担保基本情况 根据业务发展需要，近日，公司与上海浦东发展银行股份有限公司青岛分行 分别签署了《最高额保证合同》，为全资子公司智电新能和鼎信消防在 ...

青岛鼎信通讯股份有限公司 2024 年年度股东大会 会议资料 召开时间：2025 年 5 月 15 日 1 文 件 目 录 | 青岛鼎信通讯股份有限公司 | 2024 | 年年度股东大会会议议程 ……………………3 | | --- | --- | --- | | 青岛鼎信通讯股份有限公司 | 2024 | 年年度股东大会现场参会须知 ………………4 | | 青岛鼎信通讯股份有限公司 | 2024 | 年年度股东大会会议审议议案 ………………5 | | 1、关于 | 2024 年度董事会工作报告的议案 | ………………………………………5 | | 2、关于 | 2024 年度财务决算报告的议案 | …………………………………………18 | | 3、关于 | 2024 年度利润分配预案的议案 | …………………………………………24 | | 4、关于 | 2024 | 年年度报告及其摘要的议案………………………………………25 | | 5、关于董事 | 2024 年度薪酬确认的议案 | …………………………………………26 | | 6、关于监事 | 2024 | 年度薪酬确认的议案………………………………………… ...

青岛鼎信通讯股份有限公司 关于参加 2025 年青岛辖区上市公司 投资者网上集体接待日活动的公告 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。 为进一步加强与投资者的互动交流，青岛鼎信通讯股份有限公司（以下简称 "公司"）将参加由青岛证监局指导，青岛市上市公司协会与深圳市全景网络有 限公司联合举办的"2025 年青岛辖区上市公司投资者网上集体接待日活动"，现 将相关事项公告如下： 证券代码：603421 证券简称：鼎信通讯 公告编号：2025-027 特此公告！ 青岛鼎信通讯股份有限公司董事会 2025 年 5 月 7 日 本次活动将采用网络远程的方式举行，投资者可登录"全景路演"网站 （http://rs.p5w.net）；或关注微信公众号（名称：全景财经）；或下载全景路 演 APP,参与本次互动交流。活动时间为 2025 年 5 月 12 日（周一）15:00-17:00。 届时公司高管将以在线交流形式就公司治理、发展战略、经营状况、融资计划及 可持续发展等投资者关注的问题与投资者进行沟通与交流，欢迎广大投资者踊跃 参与 ...

Financial Performance - The company reported a basic earnings per share of -0.2100 yuan for Q1 2025, a decrease of 31.25% compared to -0.1600 yuan in Q1 2024 and a decline from -0.0900 yuan in Q1 2023 [1] - The total revenue for Q1 2025 was 2.27 billion yuan, down 51.5% from 4.68 billion yuan in Q1 2024 and slightly decreased from 4.65 billion yuan in Q1 2023 [1] - The net profit for Q1 2025 was -1.39 billion yuan, which is a 32.38% increase in losses compared to -1.05 billion yuan in Q1 2024 and a significant increase from -0.58 billion yuan in Q1 2023 [1] - The return on equity was -4.52% in Q1 2025, a decline of 45.34% from -3.11% in Q1 2024 and a drop from -1.77% in Q1 2023 [1] Shareholder Information - The top ten unrestricted shareholders collectively hold 45,503.09 million shares, accounting for 69.77% of the circulating shares, with a decrease of 11.79 million shares compared to the previous period [1] - The largest shareholder, Zeng Fanyi, holds 17,618.94 million shares, representing 27.02% of the total share capital, with an increase of 70.00 million shares [2] - The second-largest shareholder, Wang Jianhua, owns 15,216.82 million shares, which is 23.33% of the total, with an increase of 30.73 million shares [2] Dividend Policy - The company has announced that it will not distribute dividends or transfer shares this time [3]

青岛鼎信通讯股份有限公司 简式权益变动报告书 上市公司名称：青岛鼎信通讯股份有限公司 股票上市地点：上海证券交易所 股票简称：鼎信通讯 股票代码：603421 信息披露义务人：张启 住所及地址：山东省青岛市市南区****** 邮政编码：266071 股权变动性质：股份增加 签署日期：2025 年 4 月 28 日 1 / 14 信息披露义务人声明 一、信息披露义务人依据《中华人民共和国公司法》《中华人民共和国证券 法》《上市公司收购管理办法》《公开发行证券的公司信息披露内容与格式准则 第 15 号——权益变动报告书》及相关法律、法规编写本报告书。 二、信息披露义务人签署本报告书已获得必要的授权和批准，其履行亦不违 反信息披露义务人章程或内部规则中的任何条款，或与之相冲突。 三、依据《中华人民共和国证券法》《上市公司收购管理办法》的规定，本 报告书已全面披露信息披露义务人在青岛鼎信通讯股份有限公司（以下简称"鼎 信通讯"）中拥有权益的股份变动情况。 截至本报告书签署日，除本报告书披露的信息外，信息披露义务人没有通过 任何其他方式增加或减少其在鼎信通讯中拥有权益的股份。 四、本次权益变动是根据本报告所载明的资料进 ...

青岛鼎信通讯股份有限公司 简式权益变动报告书 上市公司名称：青岛鼎信通讯股份有限公司 股票上市地点：上海证券交易所 股票简称：鼎信通讯 股票代码：603421 信息披露义务人：王建华 住所及地址：山东省青岛市城阳区****** 邮政编码：266109 股权变动性质：股份减少 签署日期：2025 年 4 月 28 日 1 / 13 信息披露义务人声明 一、信息披露义务人依据《中华人民共和国公司法》《中华人民共和国证券 法》《上市公司收购管理办法》《公开发行证券的公司信息披露内容与格式准则 第 15 号——权益变动报告书》及相关法律、法规编写本报告书。 二、信息披露义务人签署本报告书已获得必要的授权和批准，其履行亦不违 反信息披露义务人章程或内部规则中的任何条款，或与之相冲突。 三、依据《中华人民共和国证券法》《上市公司收购管理办法》的规定，本 报告书已全面披露信息披露义务人在青岛鼎信通讯股份有限公司（以下简称"鼎 信通讯"）中拥有权益的股份变动情况。 截至本报告书签署日，除本报告书披露的信息外，信息披露义务人没有通过 任何其他方式增加或减少其在鼎信通讯中拥有权益的股份。 四、本次权益变动是根据本报告所载明的资料 ...

Financial Performance - The company's operating revenue for Q1 2025 was ¥227,323,784.27, representing a decrease of 51.47% compared to ¥468,418,887.72 in the same period last year[4] - The net profit attributable to shareholders was -¥138,580,803.64, a decline from -¥104,694,271.93 in the previous year[4] - The net cash flow from operating activities was -¥184,654,974.62, worsening from -¥105,192,120.79 year-on-year[4] - Total operating revenue for Q1 2025 was ¥227,323,784.27, a decrease of 51.5% compared to ¥468,418,887.72 in Q1 2024[19] - Net profit for Q1 2025 was a loss of ¥138,580,803.64, compared to a loss of ¥104,694,271.93 in Q1 2024, representing a 32.4% increase in losses year-over-year[20] - Cash flow from operating activities for Q1 2025 was a net outflow of ¥184,654,974.62, worsening from a net outflow of ¥105,192,120.79 in Q1 2024[24] - The company reported a significant decrease in cash inflow from sales, which was ¥432,714,639.88 in Q1 2025, compared to ¥722,811,745.02 in Q1 2024, reflecting a decline of 40.1%[24] - The net loss for Q1 2025 was ¥82,686,385.94, compared to a net loss of ¥58,003,812.43 in Q1 2024, indicating a worsening of 42.55%[32] Assets and Liabilities - The total assets at the end of the reporting period were ¥4,334,107,651.84, down 6.96% from ¥4,658,403,588.73 at the end of the previous year[5] - The company's current assets totaled CNY 2,704,980,330.07, down from CNY 3,016,956,133.61, indicating a decrease of about 10.31%[14] - Cash and cash equivalents decreased to CNY 512,095,807.20 from CNY 630,287,441.26, representing a decline of approximately 18.69%[14] - Accounts receivable decreased to CNY 1,041,829,560.07 from CNY 1,295,104,304.80, a reduction of about 19.61%[14] - The company's total liabilities decreased to CNY 1,335,706,879.85 from CNY 1,521,422,013.10, reflecting a decline of approximately 12.19%[16] - The total equity attributable to shareholders decreased to CNY 2,998,400,771.99 from CNY 3,136,981,575.63, indicating a decrease of about 4.41%[16] - The total non-current assets increased to ¥1,436,574,967.48 in the latest report from ¥1,381,306,390.70 previously, reflecting a growth of 4.00%[29] - The total liabilities decreased to ¥966,530,851.59 from ¥1,144,287,185.93, a reduction of 15.56%[29] - The company's total assets decreased to ¥4,560,578,640.53 from ¥4,821,021,360.81, a decline of 5.41%[29] Shareholder Information - The number of ordinary shareholders at the end of the reporting period was 33,183[10] - The largest shareholder, Zeng Fanyi, held 27.02% of the shares, totaling 176,189,440 shares[11] Challenges and Market Conditions - The decline in operating revenue was primarily due to adverse external environmental changes and limited sales channels for power products, with new products and markets not yet compensating for the loss[9] - The company is facing challenges in revenue generation from new products and markets, which are insufficient to offset the decline in traditional sales[9] - The company has no significant new product launches or technological developments reported during this period[13] - There are no updates on market expansion or mergers and acquisitions mentioned in the conference call[13] Cash Flow and Financing - The cash flow from operating activities showed a significant drop, with cash received from operating activities decreasing by 47.64% compared to the previous year[35] - The company raised ¥139,000,000.00 through borrowings in Q1 2025, compared to no borrowings in Q1 2024, indicating a shift in financing strategy[25] - Cash outflow from financing activities totaled $54.0 million, compared to $13.0 million in the previous period, reflecting increased financial obligations[36] - The cash flow from financing activities included $49.0 million for debt repayment, significantly higher than $5.0 million in the previous period[36] Research and Development - Research and development expenses for Q1 2025 were ¥88,858,870.63, a decrease of 30.1% from ¥127,020,116.58 in Q1 2024[19] - Research and development expenses for Q1 2025 were ¥59,058,342.47, down from ¥80,123,814.64 in Q1 2024, a decrease of 26.30%[31] Future Outlook - The company plans to implement new accounting standards starting in 2025, which may impact future financial reporting[37]

证券代码：603421 证券简称：鼎信通讯 公告编号：2025-026 青岛鼎信通讯股份有限公司 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： 青岛鼎信通讯股份有限公司（以下简称"公司"）已于 2025 年 4 月 23 日及 4 月 29 日分别在上海证券交易所网站（www.sse.com.cn）发布了公司 2024 年年 度报告及其摘要、2025 年第一季度报告，为便于广大投资者更加全面深入地了 解公司 2024 年度及 2025 年第一季度经营成果、财务状况、发展战略等情况，公 司拟定于 2025 年 05 月 08 日（星期四）15:00-16:30 举办 2024 年度暨 2025 年第 一季度业绩说明会，与投资者进行互动交流和沟通，并在信息披露允许的范围内 会议召开时间：2025 年 05 月 08 日（星期四）15:00-16:30 会议召开地点：价值在线（www.ir-online.cn） 会议召开方式：网络互动方式 会 议 问 题 征 集 ： 投 资 者 可 于 2025 年 05 月 08 ...

登录新浪财经APP 搜索【信披】查看更多考评等级 证券代码：603421 证券简称：鼎信通讯 公告编号：2025-024 青岛鼎信通讯股份有限公司 关于为子公司提供担保的进展公告 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。 ● 被担保人名称： 青岛智电新能科技有限公司（以下简称为"智电新能"）、青岛鼎信通讯消防安全有限公司（以下简称 为"鼎信消防"）、青岛拓维科技有限公司（以下简称为"拓维科技"） ● 本次担保金额及已实际为其提供的担保余额： 青岛鼎信通讯股份有限公司（以下简称为"公司"）本次分别为子公司智电新能提供5,000万元的担保、 为鼎信消防提供5,000万元的担保、拓维科技提供10,000万元的担保。截至本公告披露日，公司及子公司 已实际对外担保余额为人民币63,115.79万元。 ● 本次担保是否有反担保：无 为满足公司及其子公司日常经营及业务发展需要，近日公司与中信银行股份有限公司青岛分行签署了 《最高额保证合同》，分别为子公司智电新能提供5,000万元、为鼎信消防提供5,000万元、拓维科技提 供10,00 ...

Core Viewpoint - The announcement from Dingxin Communications regarding the transfer of shares between its controlling shareholder Wang Jianhua and his ex-wife Zhang Qi highlights significant changes in ownership structure and potential implications for the company's governance and stock performance [1][2]. Group 1: Share Transfer Details - Wang Jianhua, the controlling shareholder, will transfer 9.29% of his shares (approximately 60.59 million shares) to Zhang Qi as part of a divorce settlement, resolving all related property disputes [1]. - Following this transfer, Wang Jianhua's ownership will decrease from 23.33% to 14.04%, while Zhang Qi will now hold 9.29% of the shares, which were previously unowned by her [1]. - The market value of the transferred shares, based on the closing price of 6.09 yuan per share on April 25, is approximately 368 million yuan [1]. Group 2: Historical Context - In January 2017, Wang Jianhua and Zhang Qi signed a divorce agreement that allocated approximately 32.95 million shares to Zhang Qi, allowing her to delegate voting rights to Wang for 15 years without formal transfer [2]. - Dingxin Communications faced regulatory penalties for failing to disclose the shareholding changes and the divorce settlement in a timely manner, resulting in a warning and fines totaling 2.75 million yuan [2].