Core Viewpoint - *ST Tianwei (688511.SH) has developed a new lithium battery monitoring controller patent aimed at enhancing the safety monitoring level of lithium batteries, authorized in July 2025 [1] Group 1: Product Development - The company has signed contracts with a certain group company and a research institute, as well as Sichuan Kasima Rongtong Technology Co., Ltd., to develop the lithium battery safety protection system [1] - The product has been delivered, but it has not yet been applied in the new energy vehicle sector [1]

Core Points - The company will hold an investor briefing on November 26, 2025, from 10:00 to 11:00 AM to discuss its Q3 2025 performance and financial results [2][3][5] - Investors can submit questions from November 19 to November 25, 2025, through the Shanghai Stock Exchange Roadshow Center website or via email [2][4][5] - The briefing will be conducted in an interactive online format, allowing for real-time communication between the company and investors [3][4] Meeting Details - The investor briefing will take place at the Shanghai Stock Exchange Roadshow Center [4][5] - Key personnel attending the meeting include the General Manager, Deputy General Manager, Chief Financial Officer, Independent Directors, and the Board Secretary [5] - After the meeting, investors can access the main content and details of the briefing on the Shanghai Stock Exchange Roadshow Center website [6]

证券代码：688511 证券简称：*ST 天微 公告编号：2025-048 四川天微电子股份有限公司 关于召开 2025 年第三季度业绩说明会的公告 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。 重要内容提示： 会议召开时间：2025 年 11 月 26 日（星期三）10:00-11:00 会 议 召 开 地 点 ： 上 海 证 券 交 易 所 上 证 路 演 中 心 （ 网 址 ： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心网络互动 （二）会议召开地点：上证路演中心 （三）会议召开方式：上证路演中心网络互动 三、参加人员 董事、总经理：张超先生 董事、副总经理：陈从禹先生 投资者可于 2025 年 11 月 19 日（星期三）至 11 月 25 日（星期二）16:00 前登录上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 twdzdbyx@163.com 进行提问。公司将在说明会上对投资者普遍关注的问题进行 回答。 四川天微电子股份有限公司（以下简称"公司"）已于 2 ...

Major Events - Guotai Group acquired 100% equity of Beikuan Baomao for 110 million yuan through public bidding [3] - People's Tongtai stock price has a risk of rapid decline after a 46.43% increase over four consecutive trading days [4] - Huasheng Lithium's revenue increased by 62% in the first three quarters, but the company still reported a loss of 102.97 million yuan [5] - Haizike received approval for clinical trials of the innovative drug HSK39297 for age-related macular degeneration [6] - Angli Education postponed its response to an asset acquisition inquiry for no more than five trading days [7] - Shuguang Co. terminated its plan to issue shares to specific targets, and the Shanghai Stock Exchange has decided to terminate the review [8] Performance Overview - JD Group reported third-quarter revenue of 299.1 billion yuan, a year-on-year increase of 14.9% [9] - SMIC's third-quarter net profit was 1.517 billion yuan, up 43.1% year-on-year [10] - Tencent Holdings achieved third-quarter revenue of 192.87 billion yuan, a 15% year-on-year growth [11] - Lu'an Huaneng's coal sales in October reached 3.78 million tons, a year-on-year increase of 3.28% [12] Shareholding Changes - Haicheng Bangda's director plans to reduce holdings by no more than 0.97% due to personal financial needs [13] - Qisheng Technology's major shareholder reduced their stake to 40% after a transaction [14] - Tianwei Electronics' major shareholder reduced their stake to below 5% [15] - Zhongzi Technology's major shareholders collectively reduced their stake by 1.35% [16] Major Contracts - Lizhong Group's subsidiary received project confirmations with an estimated total sales of approximately 1.135 billion yuan [18] - Anhui Construction's subsidiary won a project bid worth 1.753 billion yuan [19]

Major Announcements - Guotai Group acquired 100% equity of Beikuan Baomao for 110 million yuan through public bidding [3] - People's Tongtai stock price has risen for four consecutive trading days, with a total increase of 46.43%, indicating potential rapid decline risk due to market sentiment [4] - Huasheng Lithium's stock price has deviated significantly, with a 62% revenue increase in the first three quarters, but still reporting a net loss of 10.3 million yuan [5] - Haishi Ke received approval for clinical trials of innovative drug HSK39297 for age-related macular degeneration, showing high development potential [6] - Angli Education postponed its response to an asset acquisition inquiry for no more than five trading days [7] - Shuguang Co. terminated its plan to issue shares to specific targets, with the Shanghai Stock Exchange halting the review [8] Performance Overview - JD Group reported third-quarter revenue of 299.1 billion yuan, a year-on-year increase of 14.9%, with net profit of 5.3 billion yuan [10] - SMIC achieved third-quarter net profit of 1.517 billion yuan, a 43.1% year-on-year increase, with revenue of 17.162 billion yuan [11][12] - Tencent Holdings reported third-quarter revenue of 192.87 billion yuan, a 15% year-on-year increase, with operating profit of 72.57 billion yuan [13] - Lu'an Huaneng's coal sales in October reached 3.78 million tons, a year-on-year increase of 3.28% [14] Shareholding Changes - Haicheng Bangda's director Wang Xiping plans to reduce his holdings by up to 0.97% due to personal financial needs [16] - Qisheng Technology's major shareholder reduced their stake to 40% through a block trade [17] - Tianwei Electronics' major shareholder Xie Kai reduced his holdings to below 5% [18] - Zhongzi Technology's major shareholders collectively reduced their stake by 1.35% [19] Major Contracts - Lichong Group's subsidiaries received project confirmations with an estimated total sales of approximately 1.135 billion yuan [21] - Anhui Construction's subsidiary won a project bid worth 1.753 billion yuan [22]

Core Viewpoint - *ST Tianwei (688511.SH) has reported a significant change in shareholder structure as Mr. Xie Kai has reduced his stake below 5%, no longer qualifying as a major shareholder [1] Group 1: Shareholder Changes - Mr. Xie Kai has notified the company of a reduction in his shareholding, decreasing his stake to 4.99981% after selling 200 shares [1] - The reduction in shares represents 0.00019% of the company's total share capital [1] - Following this transaction, Mr. Xie Kai now holds a total of 5.1413 million shares in the company [1]

证券代码: 688511 证券简称: *ST天微 四川天微电子股份有限公司 简式权益变动报告书 上市公司名称：四川天微电子股份有限公司 信息披露义务人: 谢恺 住所: 上海市黄浦区***** 通讯地址：上海市黄浦区****** 权益变动性质: 股份减少 签署日期: 2025年 11 月 13 日 l 本部分所述的词语或简称与本报告书"释义"部分所定义的词语或简称具有 相同的含义。 一、本报告书系依据《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》等相关法律、法规和规范性文件编制。 二、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 报告书已全面披露了信息披露义务人在四川天微电子股份有限公司(以下简称 "*ST 天微"、"上市公司"、"公司")中拥有权益的股份变动情况。 截至本报告书出具日,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*ST 天微中拥有权益的股份。 三、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 反其章程或内部规则中的任何条款,或与之 ...

证券代码：688511 证券简称：*ST 天微 公告编号：2025-047 四川天微电子股份有限公司 关于持股5%以上股东权益变动触及1%和5%暨减持至 5%以下的提示性公告 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、准确性和完整性依法承担法律责任。 重要内容提示： 本次权益变动系谢恺先生减持公司股份所致。本次权益变动不触及要约 收购，不会导致公司控股股东及实际控制人发生变化。 本次权益变动涉及披露简式权益变动报告书，本次权益变动后，谢恺先 生持股比例由 5.00000%下降至 4.99981%，不再是公司持股 5%以上股东。 公司于近日收到谢恺先生的《四川天微电子股份有限公司持股 5%以上股东 权益变动触及 1%和 5%暨减持至 5%以下的告知函》《四川天微电子股份有限公 司简式权益变动报告书》，谢恺先生通过上海证券交易所集中竞价方式累计减持 公司无限售流通股 200 股，减持数量占公司总股本的 0.00019%。本次权益变动 后，谢恺先生合计持有公司股份 5,141,257 股，占公司总股本的 4.99981%。现将 有关情况公告如下： 一、本次 ...

Core Viewpoint - Tianwei Electronics announced a recent equity change involving shareholder Xie Kai, who reduced his stake in the company, resulting in a minor change in ownership structure without significant impact on the company's operations [1] Summary by Relevant Sections - **Equity Change Details** - Xie Kai reduced his holdings by 200 shares through centralized bidding, which represents 0.00019% of the total share capital [1] - Following this transaction, his ownership percentage decreased from 5.00000% to 4.99981%, thus no longer qualifying as a major shareholder [1] - **Impact on Company** - The equity change does not trigger a mandatory tender offer and will not lead to any changes in the controlling shareholder or actual controller [1] - The company’s operations are not expected to be significantly affected by this change in shareholding [1]

Core Viewpoint - The company, Sichuan Tianwei Electronics Co., Ltd., is facing significant financial and operational challenges, particularly related to its military product pricing and potential delisting risks due to financial performance issues [6][7]. Financial Data - The financial report for the third quarter indicates that the financial data has not been audited, and the company has provided key financial metrics in RMB [3][9]. - The company has recognized a total revenue of 53,562,000.00 RMB from sales to a specific client since 2020, with accounts receivable amounting to 13,571,616.00 RMB as of December 31, 2024 [5]. Shareholder Information - The report does not provide any updates on the number of shareholders or changes in major shareholders' holdings [4]. Operational Risks - The company is at risk of delisting due to not meeting the financial performance criteria set by the Shanghai Stock Exchange, specifically if the net profit or total profit is negative and revenue is below 100 million RMB [6]. - There is a risk associated with the pricing of military products, as the company has not completed the pricing review for its main products, which could lead to significant revenue adjustments if the final prices differ from the provisional prices [7][8]. Other Important Information - The company has entered into negotiations regarding the pricing of certain military products, which may lead to a revenue adjustment of 424.46 million RMB, impacting the financial results for the third quarter of 2025 [5]. - The company has received bank acceptance bills totaling 443.28 million RMB, which will be accounted for in the financial statements, affecting the credit impairment losses [5].