Core Viewpoint - Dingxin Communications announced the completion of the transfer of 100% equity of its wholly-owned subsidiary, Qingdao Haina Shuzhi Media Technology Co., Ltd., to Qingdao Tongchuang Huitai Industrial Investment Co., Ltd. for a price of 240 million RMB [2] Group 1 - The fifth meeting of the fifth board of directors was held on July 21, 2025, where the proposal for the sale of the subsidiary's equity was approved [2] - The equity transfer agreement has been executed, and the necessary business registration changes have been completed [2] - The transaction marks a significant strategic move for the company, indicating a potential shift in focus or restructuring [2]

关于出售全资子公司股权的结果公告 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、交易概述 证券代码：603421 证券简称：鼎信通讯 公告编号：2025-053 青岛鼎信通讯股份有限公司 截至本公告披露日，双方按照签订的《股权转让协议书》的约定，完成了本 次股权转让相应的工商变更登记手续，至此，本次股权转让相关事项已完成。 特此公告。 青岛鼎信通讯股份有限公司董事会 2025 年 9 月 30 日 1 为优化公司资产结构及资源配置，提高公司资产运营效率、降低管理成本、 补充流动资金，公司于 2025 年 7 月 21 日召开了第五届董事会第十二次会议，审 议通过了《关于出售全资子公司股权的议案》。公司将持有的全资子公司青岛海 纳数智传媒科技有限公司 100%的股权作价人民币 24,000 万元转让给青岛同创惠 泰产业投资有限公司（以下简称"同创惠泰"），具体内容详见公司于 2025 年 7 月 23 日在上海证券交易所网站（www.sse.com.cn）披露的《鼎信通讯关于出 售全资子公司股权的公告》，2025 年 8 ...

Core Points - The company Dingxin Communications announced the sale of its wholly-owned subsidiary Qingdao Haina Shuzhi Media Technology Co., Ltd. for a total consideration of RMB 240 million [2] - The company has received the full payment of RMB 240 million from Tongchuang Huitai Industrial Investment Co., Ltd., with the third installment of RMB 72 million received on September 23, 2025 [2] - The transfer of equity ownership is in accordance with the signed equity transfer agreement, and the company has initiated the necessary business registration changes for the transfer [2]

青岛鼎信通讯股份有限公司董事会 证券代码：603421 证券简称：鼎信通讯 公告编号：2025-052 青岛鼎信通讯股份有限公司 关于出售全资子公司股权的进展公告 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。 一、交易概述 为优化公司资产结构及资源配置，提高公司资产运营效率、降低管理成本、 补充流动资金，公司于 2025 年 7 月 21 日召开了第五届董事会第十二次会议，审 议通过了《关于出售全资子公司股权的议案》。公司将持有的全资子公司青岛海 纳数智传媒科技有限公司 100%的股权作价人民币 24,000 万元转让给青岛同创惠 泰产业投资有限公司（以下简称"同创惠泰"），具体内容详见公司于 2025 年 7 月 23 日在上海证券交易所网站（www.sse.com.cn）披露的《鼎信通讯关于出 售全资子公司股权的公告》，2025 年 8 月 2 日及 2025 年 8 月 22 日分别在上海 证券交易所网站（www.sse.com.cn）披露的《鼎信通讯关于出售全资子公司股权 的进展公告》。 特此公告。 二、股权转让的进 ...

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]

Core Points - Dingxin Communication (603421) experienced a decline of 0.37% today, with a turnover rate of 15.13% and a trading volume of 830 million yuan, showing a fluctuation of 15.87% [2] - The stock was listed on the Shanghai Stock Exchange due to its daily fluctuation value reaching 15.87%, with a total net sell of 27.01 million yuan from brokerage seats [2] - The top five brokerage seats accounted for a total transaction of 118 million yuan, with a buying amount of 45.45 million yuan and a selling amount of 72.47 million yuan, resulting in a net sell of 27.01 million yuan [2] Trading Data - The largest buying brokerage was Dongfang Caifu Securities Co., Ltd. with a buying amount of 9.51 million yuan, while the largest selling brokerage was China Zhongjin Wealth Securities Co., Ltd. with a selling amount of 21.25 million yuan [2] - The stock saw a net outflow of 94.10 million yuan from main funds today, including a net outflow of 48.63 million yuan from large orders and 45.47 million yuan from major funds [2] - Over the past five days, the net outflow of main funds totaled 61.23 million yuan [2] Financial Performance - According to the semi-annual report released on August 26, the company achieved an operating income of 704 million yuan in the first half of the year, representing a year-on-year decline of 50.99%, and reported a net profit of -219 million yuan [2]

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]

Core Viewpoint - Dingxin Communication has clarified its collaboration with Pingtouge Company, stating that the technology authorized is solely for chip self-development and is unrelated to AI intelligent reasoning chips [2][16]. Group 1: Stock Performance and Market Reaction - Dingxin Communication's stock price experienced a consecutive two-day limit-up, with a closing price of 8.17 yuan per share on September 22, reflecting a 9.96% increase and a total market capitalization of 5.328 billion yuan [5][12]. - The stock's price deviation exceeded 20% over three consecutive trading days, triggering abnormal trading conditions as per Shanghai Stock Exchange regulations [9][12]. - On September 19 and 20, the stock price surged, with significant buying from brokerage firms, while institutional accounts were among the sellers [9][11]. Group 2: Financial Performance - For the first half of 2025, Dingxin Communication reported a revenue of 704 million yuan, a year-on-year decline of 50.99%, and a net loss attributable to shareholders of 219 million yuan, compared to a loss of 50.49 million yuan in the same period of 2024 [13][14]. Group 3: Clarification of Technology Authorization - The company signed a technology authorization agreement with Pingtouge Company, which allows the use of E801/E802/E803 technology for developing traditional power and security products, with no connection to AI chips [16][17]. - The authorization is valid for five years, with a contract amount of 2 million yuan, and no other business cooperation exists between the two companies [17][19]. Group 4: Regulatory Response - The Shanghai Stock Exchange issued a regulatory warning to Dingxin Communication for inaccurately disclosing information, which could mislead investors [19][20]. - The company is required to submit a rectification report within one month and conduct a thorough review of compliance risks in information disclosure and operational norms [20].

Core Viewpoint - Dingxin Communications has clarified its collaboration with Pingtouge Company, stating that the technology rights granted are solely for chip self-development and are unrelated to AI smart reasoning chips. This clarification comes after the company's stock experienced significant price fluctuations and trading volume increases [2][9]. Group 1: Stock Performance - Dingxin Communications' stock price reached a closing price of 8.17 yuan per share on September 22, with a rise of 9.96%, resulting in a total market capitalization of 5.328 billion yuan [2]. - The stock experienced a cumulative price deviation exceeding 20% over three consecutive trading days, leading to its appearance on the stock exchange's watchlist [5]. - On September 19 and 20, the stock price hit the daily limit, with significant trading activity noted, including institutional selling on the first day [5][7]. Group 2: Financial Performance - For the first half of 2025, Dingxin Communications reported a revenue of 704.13 million yuan, a decrease of 50.99% year-on-year, and a net profit attributable to shareholders of -219.17 million yuan, compared to -50.49 million yuan in the same period of 2024 [7][8]. - The company’s core business focuses on power line carrier communication and smart grid equipment, with a primary emphasis on smart meter data transmission and fire safety [7]. Group 3: Clarification of Collaboration - The company signed a technology authorization agreement with Pingtouge Company, which allows the use of E801/E802/E803 technology for MCU chip development, specifically for traditional power and security products, with no connection to AI chips [9][10]. - The authorization is valid for five years, with a contract amount of 2 million yuan, and no other business cooperation exists between the two companies [10]. Group 4: Regulatory Response - The Shanghai Stock Exchange issued a regulatory warning to Dingxin Communications for inaccurately disclosing information, which could mislead investors, and required the company to submit a rectification report within one month [13].

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]