三未信安科技股份有限公司 募集资金管理制度 二〇二五年八月 三未信安科技股份有限公司 募集资金管理制度 第五条 公司控股股东、实际控制人及其他关联人不得占用公司募集资金， 不得利用公司募集资金投资项目（以下简称"募投项目"）获取不正当利益。 公司发现控股股东、实际控制人及其他关联人占用募集资金的，应当及时要 求归还，并披露占用发生的原因、对公司的影响、清偿整改方案及整改进展情况。 第六条 公司应当审慎使用募集资金，募集资金应当按照招股说明书或者其 他公开发行募集文件的所列用途使用，不得随意改变募集资金的投向。 第七条 公司使用募集资金应当符合国家产业政策和相关法律法规，践行可 持续发展理念，履行社会责任，原则上应当用于主营业务，有利于增强公司竞争 能力和创新能力。募集资金应当投资于科技创新领域，促进新质生产力发展。 1 第一章 总则 第一条 为了规范三未信安科技股份有限公司（以下简称"公司"）募集资金 的使用与管理，提高募集资金使用效益，保护投资者的合法权益，根据《中华人 民共和国公司法》《中华人民共和国证券法》《上市公司证券发行注册管理办法》 《上市公司募集资金监管规则》《上海证券交易所科创板上市公司自律监 ...

关联交易管理制度 二〇二五年八月 三未信安科技股份有限公司 关联交易管理制度 三未信安科技股份有限公司 第一章 总则 第一条 为规范三未信安科技股份有限公司（以下简称"公司"）关联交易行 为，保证公司与各关联人所发生的关联交易的合法性、公允性、合理性；为了保 证公司各项业务能够通过必要的关联交易顺利地开展，维护公司和全体股东的合 法权益，根据《中华人民共和国公司法》（以下简称《公司法》）、《上海证券交易 所科创板股票上市规则》（以下简称《股票上市规则》）、《上海证券交易所上市公 司自律监管指引第 5 号——交易与关联交易》等法律、法规、规范性文件及《三 未信安科技股份有限公司章程》（以下简称《公司章程》）的有关规定，特制定本 制度。 第二条 公司应当采取措施规范和减少关联交易，对于无法避免的关联交易， 应当保证公司与关联方之间发生的关联交易符合公平、公正、公开的原则，确保 公司的关联交易不损害公司、股东、债权人及公司职工的合法权益。 第三条 本制度适用于公司及其合并报表范围内的子公司（以下简称控股子 公司）等其他主体与关联人之间发生的关联交易。 第二章 关联人及关联交易 第四条 公司的关联人，指具有下列情形之 ...

三未信安科技股份有限公司 股东会议事规则 二〇二五年八月 三未信安科技股份有限公司 股东会议事规则 第一章 总则 第一条 为规范三未信安科技股份有限公司（以下简称"公司"）的行为，明 确公司股东会的议事程序，保证股东会依法行使职权，根据《中华人民共和国公 司法》（以下简称"《公司法》"）、《中华人民共和国证券法》（以下简称"《证券法》"） 等法律、法规、规范性文件和《三未信安科技股份有限公司章程》（以下简称"《公 司章程》"）的相关规定，制定本规则。 第二条 上市公司股东会的召集、提案、通知、召开等事项适用本规则。 第三条 公司应当严格按照法律、行政法规、《公司章程》及本规则的相关规 定召开股东会，保证股东能够依法行使权利。 公司董事会应当切实履行职责，认真、按时组织股东会。公司全体董事应当 勤勉尽责，确保股东会正常召开和依法行使职权。 第四条 股东会应当在《公司法》和《公司章程》规定的范围内行使职权。 第五条 股东会分为年度股东会和临时股东会。年度股东会每年召开 1 次， 应当于上一会计年度结束后的 6 个月内举行。临时股东会不定期召开，有下列情 形之一的，公司应当在事实发生之日起 2 个月内召开临时股东会 ...

人民财讯8月21日电，三未信安(688489)8月21日晚间披露2025年半年度报告，上半年实现营业收入1.95 亿元，同比增长15.19%；归母净利润-2938.58万元，同比由盈转亏；基本每股收益-0.2615元。上半年营 业收入同比增长，主要原因系报告期内合并范围增加了江南天安，且公司在能源、交通等行业取得较好 的业绩增长。但上半年整体收入增长幅度不大，主要系受部分下游行业项目节奏或客户预算规划影响， 上半年新开拓项目仍处于商务沟通和合同签署阶段，部分项目延期或在下半年才能交付验收。 ...

Market Overview - On August 21, the computer equipment sector rose by 0.11% compared to the previous trading day, with Sanwei Xinan leading the gains [1] - The Shanghai Composite Index closed at 3771.1, up 0.13%, while the Shenzhen Component Index closed at 11919.76, down 0.06% [1] Top Gainers in Computer Equipment Sector - Sanwei Xinan (688489) closed at 51.70, up 20.01% with a trading volume of 50,900 lots and a transaction value of 255 million [1] - Yuyin Co. (002177) closed at 9.09, up 10.05% with a trading volume of 243,000 lots and a transaction value of 221 million [1] - Tangyuan Electric (300789) closed at 31.99, up 6.60% with a trading volume of 61,700 lots [1] - Newland (000997) closed at 30.68, up 4.75% with a trading volume of 537,700 lots and a transaction value of 1.654 billion [1] Top Losers in Computer Equipment Sector - Luopute (1988899) closed at 17.96, down 6.85% with a trading volume of 104,300 lots and a transaction value of 191 million [2] - Huijin Co. (300368) closed at 15.96, down 6.01% with a trading volume of 949,700 lots and a transaction value of 1.554 billion [2] - Yimikang (300249) closed at 17.26, down 5.94% with a trading volume of 508,500 lots [2] Capital Flow Analysis - The computer equipment sector experienced a net outflow of 2.693 billion from institutional investors, while retail investors saw a net inflow of 2.055 billion [2] - The sector's overall capital flow indicates a mixed sentiment, with institutional selling and retail buying [2] Individual Stock Capital Flow - New Guodu (300130) had a net inflow of 14.8 million from institutional investors, while retail investors had a net outflow of 20.76 million [3] - Yuyin Co. (002177) saw a net inflow of 101 million from institutional investors, but a net outflow of 54.69 million from retail investors [3] - Sanwei Xinan (688489) had a net inflow of 54.64 million from institutional investors, with retail investors experiencing a net outflow of 15.72 million [3]

A股三大指数21日涨跌不一，截至收盘，沪指涨0.13%，深成指跌0.06%，创业板指跌0.47%，北证50指 数跌1.60%，沪深京三市全天成交额24603亿元，较上日放量119亿元。全市场超2100只个股上涨。 板块 题材上，跨境支付、油气开采及服务、可燃冰板块走高，PCB概念、液冷服务器板块调整。 盘面上， 跨境支付板块全线走强，三未信安、新晨科技20CM涨停封板，中油资本、天融信等涨停封板。油气开 采及服务板块走高，淮油股份涨停封板。可燃冰板块走强，神开股份涨停。PCB概念走弱，崇达技术跌 停。液冷服务器板块走弱，川润股份、飞龙股份、腾龙股份、金田股份跌停。 （来源同花顺，以上信息为南都·湾财社AI大数据自动生成） ...

Market Overview - The A-share market experienced fluctuations, with a notable drop around 14:20, but managed to recover slightly by the end of the trading session. The Shanghai Composite Index rose by 0.13%, while the Shenzhen Component and ChiNext Index fell by 0.06% and 0.47%, respectively [3][4]. Trading Data - Key trading statistics include: - Highest index value: 3787.98 - Lowest index value: 3757.99 - Total trading volume: 6.92 billion shares - Total trading value: 997.74 billion [4]. Sector Performance - Defensive sectors such as banking, electricity, and coal saw a rebound, while high-flying stocks faced significant declines, leading to a wave of limit-downs in several previously high-performing stocks [11]. Notable Stocks - Stablecoin-related stocks performed well, with companies like Sanwei Xinan and Beixin Yuan hitting the daily limit up. This was attributed to positive news regarding stablecoins that exceeded market expectations [6][12]. - In the agricultural sector, Muyuan Foods reported a total revenue of 76.463 billion, a year-on-year increase of 34.46%, and a net profit of 10.53 billion, marking a 1170% increase year-on-year, achieving a record high for the first half of the year [10]. DeepSeek AI Model Update - DeepSeek released an upgraded AI model, DeepSeek-V3.1, featuring a mixed reasoning architecture that supports both thinking and non-thinking modes, improved efficiency, and enhanced agent capabilities. This upgrade positively impacted DeepSeek-related stocks, which saw a rise in prices towards the end of the trading day [14][12].

Core Points - The Sci-Tech Innovation 50 Index experienced a slight increase, closing at 1149.15 points with a gain of 0.09% and a trading volume of approximately 657.2 billion [1] - Most stocks on the Sci-Tech board declined, with 165 stocks rising; high-priced stocks showed mixed performance while low-priced stocks mostly fell [1] - In specific sectors, stocks related to environmental protection, healthcare, and biopharmaceuticals were active, whereas semiconductor, communication equipment, and electrical equipment stocks declined [1] Trading Performance - On August 21, the average decline for 589 stocks on the Sci-Tech board was 0.93%, with an average turnover rate of 3.82% and a total trading volume of 217.6 billion [1] - The average volatility for the stocks was 4.64% [1] Individual Stock Performance - Sanwei Xinan led the gainers with a 20% increase, while Dongxin Co. had the largest decline at 12.37% [2] - Cambrian's trading volume was the highest at 11.93 billion, while ST Pava had the lowest at 1.439 million [3] Turnover Rate - Yingshi Innovation had the highest turnover rate at 23.30%, while Bairen Medical had the lowest at 0.28% [4]

Market Overview - The three major indices collectively rose, with the Shanghai Composite Index up by 0.35%, the Shenzhen Component Index up by 0.45%, and the ChiNext Index up by 0.21%. However, the North China 50 Index fell by 0.96% [1] - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 1.5912 trillion yuan, an increase of 56.2 billion yuan compared to the previous day. Over 2,500 stocks in the market experienced gains [1] Sector Performance - The cross-border payment, oil and gas exploration and services, and combustible ice sectors showed strong performance, while the PCB concept and liquid cooling server sectors experienced adjustments [2] - The cross-border payment sector was particularly strong, with companies such as Sanwei Xinan and New Morning Technology hitting the daily limit, along with Zhongyou Capital and Tianrongxin also reaching the daily limit [2] - The oil and gas exploration and services sector saw gains, with Huaiyou Co. hitting the daily limit [2] - The combustible ice sector performed well, with companies like Xinjing Power and Shenkai Co. rising over 8% [2] - Conversely, the PCB concept weakened, with Chongda Technology nearing the daily limit down [2] - The liquid cooling server sector also declined, with companies like Tenglong Co. and Jintian Co. hitting the daily limit down [2]

Group 1 - The digital currency sector continues to strengthen, with companies such as Jingbeifang, Zhongyou Capital, Sanwei Xinan, Tianrongxin, and Xincheng Technology hitting the daily limit up [1] - Sifang Jingchuang has increased by over 12%, reaching a historical high [1] - Other companies like Kechuang Information, Tianyang Technology, Jinyi Culture, Xinan Century, and Cuiwei Co. also experienced gains [1]