Group 1 - Qianyu Medical's shareholder QM5 LIMITED plans to transfer approximately 6.6693 million shares, accounting for 2% of the company's total share capital [1] - Guizhou Platinum Industry intends to raise no more than 1.291 billion yuan for technological innovation platform construction, industrial transformation, and working capital [1] - Guangdong Construction has won a bid for the Guangzhou Financial City East District project with a contract value of 1.924 billion yuan [1] Group 2 - Sanfu New Science plans to repurchase shares with a total amount not less than 10 million yuan and not exceeding 15 million yuan [3] - Baiyun Mountain's subsidiary has entered the II phase of clinical trials for children's Xiao Chai Hu granules, aimed at treating pediatric gastrointestinal colds [4] - Lepu Medical has signed a strategic cooperation agreement with Hanhai Information for market promotion and operation rights in mainland China [5] Group 3 - Daotong Technology plans to transfer 46% of its stake in Saifang Technology for a total consideration of 109 million yuan [7] - Rizhao Port's shareholder Shandong Energy Group intends to reduce its stake by up to 3% [8] - Saiwei Electronics reports that the National Integrated Circuit Fund has reduced its stake by 6.3481 million shares, representing 0.87% of the total share capital [10] Group 4 - Changji Logistics proposes a cash dividend of 0.31 yuan per share for the 2025 interim period [11] - Xuelong Group's shareholder plans to reduce its stake by up to 1.95% [13] - Lianxiang Co. plans to reduce its stake by a total of 3.74% [15] Group 5 - Yingfeite's actual controller plans to reduce its stake by up to 2.82% [16] - Baolong Technology's director plans to reduce his stake by up to 0.11% [17] - China Electric Research's shareholder plans to transfer 2% of the company's shares through an inquiry transfer [18] Group 6 - Oriental Pearl plans to participate in establishing an investment fund with a total fundraising scale of 714 million yuan [19] - Tianqin Equipment's shareholder plans to reduce its stake by up to 1% [21] - Crystal Optoelectronics' shareholder plans to reduce its stake by up to 0.99% [22] Group 7 - Changchun Technology expects a net profit increase of 131.39% to 145.38% for the first three quarters of 2025 [22] - Jinhai Tong's shareholder plans to reduce its stake by up to 1% [24] - Zhongdian Electric's shareholder plans to reduce its stake by up to 3% [26] Group 8 - Zhixiang Jintai has signed exclusive cooperation agreements for two monoclonal antibody injections [27] - Chuangli Group's director plans to reduce his stake by up to 0.7% [28] - Henghui Security's shareholders plan to reduce their stake by a total of 2.34% [29] Group 9 - Tianci Materials' subsidiary has signed a supply cooperation agreement for no less than 800,000 tons of electrolyte products [29] - Tianci Materials has submitted an application for H-share listing on the Hong Kong Stock Exchange [30] - Zhongke Haixun has signed a strategic cooperation agreement with Beibu Gulf Port Group [30] Group 10 - China CNR has elected Sun Yongcai as the chairman of the board [31] - Baiwei Storage plans to issue H-shares and list on the Hong Kong Stock Exchange [32] - Shengxin Lithium Energy plans to acquire a 21% stake in Qicheng Mining for 1.456 billion yuan [33] Group 11 - Zhongjing Electronics plans to raise no more than 700 million yuan for various projects [35] - Dingxin Communications clarifies that its technology authorization from Pingtouge is unrelated to AI intelligent reasoning chips [37] - Rihai Intelligent's major shareholder plans to reduce its stake by up to 2.77% [38] Group 12 - Rihai Optical's actual controller plans to reduce his stake by up to 3% [39] - Xilong Science's actual controllers plan to reduce their stake by a total of 3% [40] - Honggong Technology plans to sign a project contract with a maximum investment of 450 million yuan [41] Group 13 - Mankang Pharmaceutical has signed a strategic cooperation agreement with Nanjing Haijing Pharmaceutical [42] - Mankang Pharmaceutical plans to raise no more than 1.033 billion yuan through a private placement [42] - Kaidi Co.'s shareholder plans to reduce its stake by up to 38,030 shares [43] Group 14 - Hesheng Co. has launched a stock option and restricted stock incentive plan totaling 3.6 million shares [44] - ST Yigou's shareholder plans to reduce its stake by up to 2.85% [46] - Jinziham's subsidiary plans to invest up to 300 million yuan in Zhongzheng Microelectronics [49]

鼎信通讯(603421)今日下跌0.37%，全天换手率15.13%，成交额8.30亿元，振幅15.87%。龙虎榜数据显 示，营业部席位合计净卖出2701.29万元。 上交所公开信息显示，当日该股因日振幅值达15.87%上榜，营业部席位合计净卖出2701.29万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交1.18亿元，其中，买入成交额为4545.42 万元，卖出成交额为7246.71万元，合计净卖出2701.29万元。 具体来看，今日上榜营业部中，第一大买入营业部为东方财富证券股份有限公司拉萨金融城南环路证券 营业部，买入金额为950.89万元，第一大卖出营业部为中国中金财富证券有限公司青岛香港中路证券营 业部，卖出金额为2125.33万元。 8月26日公司发布的半年报数据显示，上半年公司共实现营业收入7.04亿元，同比下降50.99%，实现净 利润-2.19亿元。（数据宝） 鼎信通讯9月23日交易公开信息 | 买/ | 会员营业部名称 | 买入金额（万 | 卖出金额（万 | | --- | --- | --- | --- | | 卖 | | 元） | 元） | | 买一 | 东方财富证券股份 ...

New Stock Listings - YouSheng Co., Ltd. (Stock Code: 603418) listed at an issue price of 46.36 RMB on September 23, 2025[1] - ZhiTianTui (Stock Code: 300280) is in the delisting preparation period with 8 trading days remaining[1] - ZhongHuanHaiLu (Stock Code: 301040) and JiShiChuanMei (Stock Code: 601929) have recent announcements regarding trading activities[1] Trading Alerts - XianDaoZhiNeng (Stock Code: 300450) reported severe abnormal fluctuations in trading[1] - HangKeKeJi (Stock Code: 688006) and YuanLinCo (Stock Code: 605303) have recent trading alerts[1] - Multiple stocks including YunNanLvYou (Stock Code: 002059) and *STMuBang (Stock Code: 603398) have recent announcements related to trading activities[1] Market Trends - A total of 30 stocks have been flagged for abnormal trading activities in the past week, indicating increased market volatility[1] - The recent trading patterns suggest a potential shift in investor sentiment, particularly in the technology and media sectors[1]

【导读】鼎信通讯连续两个交易日涨停，再次澄清与平头哥公司合作 中国基金报记者 闻言 9月22日晚间，鼎信通讯发布《关于股票交易异常波动暨风险提示公告》称，平头哥（上海） 半导体技术有限公司（以下简称平头哥公司）仅将其E801/E802/E803技术的使用权授权给 公司，用于芯片自主研发，与AI智能推理算力的芯片没有任何关联。 平头哥公司是阿里巴巴集团旗下半导体芯片业务主体，涉及的算力芯片业务是当前市场关注 的热点。 鼎信通讯9月18日在互动平台称，其与平头哥公司签订有全面技术授权协议，但是存在表述不 准确的问题。 9月19日、9月22日，鼎信通讯连续两个交易日均涨停。截至9月22日收盘，鼎信通讯股价报 8.17元/股，涨幅达9.96%，总市值为53.28亿元。 鼎信通讯连续两次登上龙虎榜 首次涨停已有机构专用账户卖出 公告显示，鼎信通讯在9月18日、9月19日及9月22日的连续三个交易日内，收盘价涨幅偏离 值累计超过20%。根据《上海证券交易所交易规则》的有关规定，属于股票交易异常波动情 形。 探究可见，鼎信通讯的股价异动主要在9月19日、9月20日。前述两个交易日，鼎信通讯的股 价均涨停，并且都登上了龙虎榜 ...

【导读】鼎信通讯连续两个交易日涨停，再次澄清与平头哥公司合作 9月22日晚间，鼎信通讯发布《关于股票交易异常波动暨风险提示公告》称，平头哥（上海）半导体技术有限公司（以下简称平头哥公司）仅将其 E801/E802/E803技术的使用权授权给公司，用于芯片自主研发，与AI智能推理算力的芯片没有任何关联。 平头哥公司是阿里巴巴集团旗下半导体芯片业务主体，涉及的算力芯片业务是当前市场关注的热点。 鼎信通讯9月18日在互动平台称，其与平头哥公司签订有全面技术授权协议，但是存在表述不准确的问题。 公告显示，鼎信通讯在9月18日、9月19日及9月22日的连续三个交易日内，收盘价涨幅偏离值累计超过20%。根据《上海证券交易所交易规则》的有关规 定，属于股票交易异常波动情形。 探究可见，鼎信通讯的股价异动主要在9月19日、9月20日。前述两个交易日，鼎信通讯的股价均涨停，并且都登上了龙虎榜。 9月19日，鼎信通讯前五大买方均为券商分公司和营业部，但前五大卖方除了券商分公司和营业部，还包含机构专用账户；9月22日前五大买方与卖方均为 券商分公司和营业部。 | 2025年09月19日 星期五 | 类型:有价格涨跌幅限制的日收盘价 ...

Major Events - Shengxin Lithium Energy plans to acquire 21% stake in Qicheng Mining for 1.456 billion yuan, increasing its ownership to 70% [3] - Tianpu Co. has seen its stock rise 279.73% over 14 consecutive trading days, but the acquirer Zhonghao Xinying has no asset injection plans [4] - Hangdian Co. reports losses in its optical communication business while its copper foil business is still in the early stages [5] Shareholder Activities - Tianchuang Fashion is launching a shareholder reward event, offering 30% discount coupons to shareholders [6] - Beiliang Co. is collaborating with Tonghuashun for a "Shareholder Festival" event for past investors [7] Production and Operational Changes - Xinxiang Chemical Fiber will halt its biomass cellulose filament production line for 90 days starting October 1, affecting an annual capacity of 31,200 tons and expected revenue loss of approximately 185 million yuan [8] - Baijun Precision plans to transfer 18.29% of its stake in Suzhou Linghou Robotics for 64 million yuan [9] New Contracts and Projects - Tiancheng Self-Control has received a project designation from a leading domestic new energy vehicle company for seat assembly, expected to start production in June 2026 [10] - Huazi Industrial's subsidiary plans to sell dairy farm assets for 38.5 million yuan, impacting current profits by approximately 11.7 million yuan [11] - Oriental Pearl is participating in a special fund to acquire equity in Chaoyuan Digital Technology, with a total investment of 244 million yuan [12] Financial Performance - Changchuan Technology expects a net profit increase of 131.39% to 145.38% year-on-year for the first three quarters of 2025, driven by strong demand in the semiconductor industry [17] Major Contracts - Guangdong Construction has won a construction contract worth 1.924 billion yuan for a property reconstruction project in Guangzhou [18] - Youxunda anticipates winning a procurement project from the State Grid worth approximately 107 million yuan [19] - Samsung Medical is a candidate for multiple procurement projects from the State Grid, with a total expected value of about 193 million yuan [20] Share Buybacks and Financing - Sanfu New Science plans to repurchase shares worth between 10 million and 15 million yuan for employee stock incentives [39] - Guiyan Platinum plans to raise up to 1.291 billion yuan through a private placement for industrial upgrades and working capital [40] - Zhongjing Electronics intends to raise up to 700 million yuan, with the controlling shareholder participating in the subscription [41]

Group 1 - Shengxin Lithium Energy plans to acquire 21% stake in Qicheng Mining for 1.456 billion yuan, increasing its ownership to 70% [4] - Tianpu Co. has seen its stock rise 279.73% over 14 consecutive trading days, but the acquirer Zhonghao Xinying has no asset injection plan [5] - Hangdian Co. reports losses in its optical communication business while its copper foil business is still in the early stages [6][7] Group 2 - Tianchuang Fashion is launching a shareholder reward activity, offering 70% discount coupons to shareholders [8] - Beiliang Co. is collaborating with Tonghuashun to host a "Shareholder Festival" for past investors [9] - Xinxiang Chemical Fiber will undergo a 90-day orderly shutdown for equipment upgrades, affecting 31,200 tons/year capacity and expected revenue loss of approximately 185 million yuan [10] Group 3 - Bozhong Precision plans to transfer 18.29% stake in Suzhou Linghou Robotics for 64 million yuan [11] - Tiancai Self-Control has received a project confirmation from a leading domestic new energy vehicle company for seat assembly, expected to start production in June 2026 [12] - Huazi Industrial's subsidiary plans to sell dairy farm assets for 38.5 million yuan, impacting current profits by approximately 11.7 million yuan [13] Group 4 - Oriental Pearl plans to invest in a special fund to acquire equity in Chaoyuan Digital Technology, committing 244 million yuan [14] - Daotong Technology intends to transfer 46% stake in Shenzhen Saifang Technology for 109 million yuan, focusing on core business development [15] - Lepu Medical has signed a strategic cooperation agreement with Hanhai Information to enhance online sales channels for its aesthetic medicine segment [16] Group 5 - Dingxin Communications clarifies that its technology authorization from Pingtouge is unrelated to AI chip development [17] - Changchuan Technology expects a net profit increase of 131.39% to 145.38% year-on-year for the first three quarters of 2025, driven by strong semiconductor demand [18] Group 6 - Guangdong Construction has won a construction contract worth 1.924 billion yuan for a property reconstruction project [19] - Youxunda is expected to win a procurement project from the State Grid worth approximately 107 million yuan, representing 10.55% of its 2024 revenue [20] - Samsung Medical anticipates winning procurement projects from the State Grid totaling about 193 million yuan [21] Group 7 - Baiyun Electric is a candidate for multiple procurement projects from the State Grid, with a total expected amount of 162 million yuan [22] - *ST Weihe is a candidate for a 141 million yuan engineering project [23] - Plad has signed a strategic cooperation agreement with a well-known international power tool brand for over 700 million yuan in purchases over five years [25] Group 8 - Lanhua Kecai has signed a strategic cooperation agreement with Panhu Power for joint development of axial flux motors [26] - Zhixiang Jintai has entered into commercialization agreements for two monoclonal antibody injections, gaining exclusive rights in various regions [27] - Honggong Technology plans to invest up to 450 million yuan in a project with the Changsha Economic Development Zone [28] Group 9 - Zhejiang Medicine's major shareholder plans to reduce its stake by up to 1% [29] - Su Yan Jingshen's directors plan to collectively increase their holdings by 1.9 to 2.66 million yuan [30] - Zhongdian Electric's shareholder intends to reduce its stake by up to 3% [32] Group 10 - Sanfu New Science plans to repurchase shares worth 10 to 15 million yuan for employee stock incentives [41] - Guiyan Platinum plans to raise up to 1.291 billion yuan for technology innovation and industry upgrades [42] - Zhongjing Electronics plans to raise up to 700 million yuan, with the controlling shareholder participating in the subscription [43]

经双方认真自查，截至回复日，除公司按照相关法律法规已披露的事项外，两人均表示不存在影响公司 股票交易异常波动的重大事项，也不存在其他与公司有关的应披露而未披露的重大信息，其中涵盖重大 资产重组、发行股份、上市公司收购、债务重组、业务重组、资产剥离和资产注入、股份回购、股权激 励、破产重组、重大业务合作、引进战略投资者等诸多方面。 同时，在本次股票交易异常波动期间，王守4面与张启均不存在买卖青岛鼎信通讯股票的情形。 点击查看公告原文>> 青岛鼎信通讯（维权）股份有限公司控股股东及实际控制人就公司股票交易异常波动相关问询作出回 应。 2025年9月22日，控股股东王守4面以及实际控制人张启分别对青岛鼎信通讯发来的《关于公司股票交易 异常波动情况的问询函》进行回复。 声明：市场有风险，投资需谨慎。 本文为AI大模型基于第三方数据库自动发布，任何在本文出现的信 息（包括但不限于个股、评论、预测、图表、指标、理论、任何形式的表述等）均只作为参考，不构成 个人投资建议。受限于第三方数据库质量等问题，我们无法对数据的真实性及完整性进行分辨或核验， 因此本文内容可能出现不准确、不完整、误导性的内容或信息，具体以公司公告为准。 ...

Core Viewpoint - The stock of Dingxin Communication (603421) experienced an abnormal fluctuation, with a cumulative closing price increase of over 20% during three consecutive trading days [1] Group 1: Stock Performance - The stock price of Dingxin Communication rose significantly, with a cumulative increase exceeding 20% over three trading days: September 18, September 19, and September 22 [1] Group 2: Business Developments - Dingxin Communication signed an authorization agreement with Pingtouge Company, allowing the use of E801/E802/E803 technology rights for independent chip development [1] - The authorized technology is exclusively for the development of MCU chips, which are related to traditional power and security products, specifically for electric meters and security products [1] - There is no other business collaboration between Dingxin Communication and Pingtouge Company beyond the mentioned technology authorization [1]

重要内容提示： 青岛鼎信通讯股份有限公司（以下简称"公司"）股票于 2025 年 9 月 18 日、9 月 19 日及 9 月 22 日连续三个交易日内收盘价格涨幅偏离值累计超过 20%，根据《上海证券交易所交易规则》的有关规定，属于股票交易异常波动情 形。请投资者注意投资风险，理性决策，审慎投资。 经公司自查并向控股股东、实际控制人书面发函确认，截至本公告披露 日，公司控股股东、实际控制人不存在应披露而未披露的重大信息。 青岛鼎信通讯股份有限公司 关于股票交易异常波动暨风险提示公告 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。 证券代码：603421 证券简称：鼎信通讯 公告编号：2025-051 公司专注于电力线载波通信、智能电网设备的研发、生产和销售，核心业务 围绕"智能电表数据传输、电力安全防护"和消防业务展开，公司核心业务未发 生重大变化。 公司目前还处在国家电网有限公司和南方电网有限责任公司市场禁入期间， 敬请广大投资者注意投资风险。 （二）重大事项情况 经公司自查并向控股股东和实际控制人书面发函核实，截至本公告 ...