Core Viewpoint - The Shanghai Stock Exchange issued a regulatory warning to Dingxin Communications for providing inaccurate information regarding its collaboration with Pingtouge Semiconductor, which may mislead investors [1][4]. Group 1: Company Actions and Responses - On September 18, Dingxin Communications stated on the E Interaction platform that it had signed a comprehensive technology authorization agreement with Pingtouge Semiconductor [2]. - Following this announcement, Dingxin Communications' stock price hit the daily limit up on September 19 [2]. - On September 19, the company clarified that its previous statement was inaccurate, specifying that the technology authorization only pertains to low-cost, low-power embedded CPU cores for traditional applications, not AI computing chips [3]. Group 2: Regulatory Actions - The Shanghai Stock Exchange's decision highlighted that Dingxin Communications failed to accurately disclose specific details about the collaboration, which could mislead investors, violating the stock listing rules [4]. - The company's then Secretary of the Board, Hu Sixiang, was specifically warned for not fulfilling his responsibilities in information disclosure [4]. Group 3: Financial Performance - In the first half of 2025, Dingxin Communications reported a revenue of 704 million yuan and a net loss attributable to shareholders of 219 million yuan [4].

公告称，平头哥与鼎信通讯于2022年12月26日签署授权协议，将其拥有的E801/E802/E803技术使用权授 权给鼎信通讯，用于芯片自主研发，授权有效期限为五年，合同金额200万元。 E801/E802/E803是低成本低功耗嵌入式CPU内核，主要应用于智能卡、智能电网、低成本微控制器、无 线传感网络等嵌入式应用。鼎信通讯获得的授权技术仅用于自主研发的MCU芯片，均为传统电力、安 全领域产品，仅涉及公司电表、安防产品，与AI智能推理算力的芯片没有任何关联，完全是不同层次 的两类产品。 上海证券交易所9月19日发布决定，对鼎信通讯及有关责任人予以监管警示。经查明，鼎信通讯9月18日 在E互动平台回复投资者提问时，提及与平头哥（上海）半导体技术有限公司（简称"平头哥"）相关合 作表述，但未准确发布相关事项具体情况，发布信息不准确，风险提示不充分，可能对投资者产生误 导。 回复投资者提问后 股价涨停 9月18日，鼎信通讯在E互动平台回复投资者提问称："平头哥（上海）半导体技术有限公司与公司签订 有全面技术授权协议。" 平头哥是阿里巴巴集团2018年9月宣布成立的半导体芯片业务主体，拥有端云一体全栈产品系列，涵盖 ...

Core Viewpoint - Dingshin Communication (603421) has received a regulatory warning from the Shanghai Stock Exchange due to issues related to information disclosure, which may mislead investors regarding its technology authorization agreement with Pingtouge (Shanghai) Semiconductor Technology Co., Ltd [1][2]. Group 1: Information Disclosure Issues - On September 18, 2025, Dingshin Communication stated on the E Interactive platform that it had signed a comprehensive technology authorization agreement with Pingtouge, leading to a stock price surge on September 19 [1]. - The company later clarified that the authorization agreement signed on December 26, 2022, only granted rights to use E801/E802/E803 technologies for chip self-development, with a contract value of 2 million yuan and a validity period of five years [1]. - The authorized technology is limited to MCU chips for traditional power and security products, such as electric meters and security products, and is unrelated to AI computing power chips [1]. Group 2: Regulatory Actions - The Shanghai Stock Exchange's Listing Company Management Department issued a regulatory warning to Dingshin Communication and its former board secretary, Hu Sixiang, for failing to fulfill their disclosure responsibilities [2]. - The company is required to implement effective corrective measures, conduct a compliance risk assessment, and submit a rectification report signed by all board members within one month of receiving the decision [2].