国金证券股份有限公司 关于云汉芯城（上海）互联网科技股份有限公司 使用募集资金向全资子公司增资以实施募投项目的核查意见 国金证券股份有限公司（以下简称"国金证券"、"保荐人"或"保荐机构"） 作为云汉芯城互联网科技股份有限公司（以下简称"云汉芯城"或"公司"）首 次公开发行股票并在创业板上市的保荐人，根据《证券发行上市保荐业务管理办 法》《深圳证券交易所创业板股票上市规则》《深圳证券交易所上市公司自律监管 指引第 2 号——创业板上市公司规范运作》以及《深圳证券交易所上市公司自 律监管指引第 13 号——保荐业务（2025 年修订）》等法规和规范性文件的要求， 就公司拟使用募集资金向全资子公司增资以实施募投项目的事项进行了核查，并 出具核查意见如下： 一、募集资金的基本情况 经中国证券监督管理委员会（以下简称"中国证监会"）《关于同意云汉芯城 （上海）互联网科技股份有限公司首次公开发行股票注册的批复》（证监许可 〔2025〕1615 号）同意注册，公司首次公开发行人民币普通股（A 股）1,627.9025 万股，每股面值人民币 1.00 元，每股发行价格为 27.00 元，募集资金总额为 43,953.37 ...

资金流向方面，今日该股主力资金净流出1.14亿元，其中，特大单净流出6767.28万元，大单资金净流出 4646.47万元。近5日主力资金净流出2.07亿元。（数据宝） 云汉芯城10月28日交易公开信息 云汉芯城今日下跌7.29%，全天换手率44.04%，成交额13.87亿元，振幅7.70%。龙虎榜数据显示，机构 净买入1.46亿元，营业部席位合计净卖出2156.62万元。 深交所公开信息显示，当日该股因日换手率达44.04%上榜，机构专用席位净买入1.46亿元。 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3.81亿元，其中，买入成交额为2.53亿 元，卖出成交额为1.28亿元，合计净买入1.25亿元。 具体来看，今日上榜的营业部中，共有5家机构专用席位现身，即买一、买二、买三、买四、买五、卖 一、卖二、卖四、卖五，合计买入金额2.53亿元，卖出金额1.06亿元，合计净买入1.46亿元。 近半年该股累计上榜龙虎榜11次，上榜次日股价平均涨10.20%，上榜后5日平均涨21.61%。 | 买/卖 | | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | - ...

Market Overview - The other electronic sector experienced a decline of 0.1% on the previous trading day, with Yunhan Chip City leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Stock Performance - Notable gainers in the other electronic sector included: - Shihua Technology (688093) with a closing price of 43.15, up 7.98% on a trading volume of 98,900 shares and a turnover of 423 million yuan [1] - Baibang Technology (300736) closed at 14.58, up 4.07% with a trading volume of 98,100 shares [1] - Jiemai Technology (002859) closed at 33.13, up 3.11% with a trading volume of 88,600 shares [1] - Conversely, significant decliners included: - Yunhan Chip City (301563) closed at 222.50, down 7.29% with a trading volume of 61,400 shares and a turnover of 1.387 billion yuan [2] - Yachuang Electronics (660106) closed at 48.70, down 7.20% with a trading volume of 162,900 shares [2] - Shannon Chip Creation (300475) closed at 128.31, down 4.00% with a trading volume of 334,400 shares [2] Capital Flow - The other electronic sector saw a net outflow of 662 million yuan from main funds, while retail investors contributed a net inflow of 797 million yuan [2]

深交所公开信息显示，当日该股因日换手率达48.56%上榜，机构专用席位净卖出6617.64万元。 （原标题：云汉芯城龙虎榜数据（10月27日）） 云汉芯城今日上涨2.86%，全天换手率48.56%，成交额16.29亿元，振幅12.71%。龙虎榜数据显示，机构 净卖出6617.64万元，营业部席位合计净买入132.40万元。 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3.98亿元，其中，买入成交额为1.67亿 元，卖出成交额为2.31亿元，合计净卖出6485.24万元。 具体来看，今日上榜的营业部中，共有5家机构专用席位现身，即买一、买二、买三、买四、卖一、卖 二、卖三、卖四，合计买入金额1.42亿元，卖出金额2.08亿元，合计净卖出6617.64万元。 云汉芯城10月27日交易公开信息 | 买/卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 机构专用 | 3431.15 | 1487.43 | | 买二 | 机构专用 | 3352.28 | 4390.41 | | 买三 | 机构专用 | 3223.99 | ...

- The report tracks the recent IPO market performance, focusing on the net gains from new stock listings across the Sci-Tech Innovation Board, ChiNext, and Main Board, assuming all stocks are successfully subscribed and sold at the market average price on the first trading day, excluding lock-up restrictions[1][11][39] - The cumulative IPO net gains for A-class accounts with a scale of 2 billion reached 2.44%, while B-class accounts of the same scale achieved 2.19% as of October 24, 2025[11][39] - For larger accounts with a scale of 10 billion, the IPO net gains were significantly lower, with A-class accounts at 0.77% and B-class accounts at 0.70%[11][39] - The average first-day price increase for Sci-Tech Innovation Board stocks was 218.45%, while ChiNext stocks saw an average increase of 244.28%[1][16] - The report provides detailed calculations for theoretical IPO gains, using formulas such as: $ Full subscription quantity = Maximum subscription limit × Average offline subscription rate $ $ Full subscription gains = (First-day average price - IPO price) × Full subscription quantity $[35][39] - The highest full subscription gains among recent IPOs were achieved by United Power, Jindal Zhixin, and C Marco, with gains of 50.81, 12.58, and 11.03 million yuan respectively[35][38] - The report also includes monthly tracking of IPO gains for A-class accounts across different scales, showing a cumulative gain rate of 6.17% for 2 billion accounts since 2024, and 2.44% for 2025 alone[39][41] - Similar tracking for B-class accounts reveals a cumulative gain rate of 5.11% for 2 billion accounts since 2024, and 2.19% for 2025 alone[47][45] - The report highlights the IPO subscription process, including strategic placement, offline inquiry, and online pricing methods, with detailed statistics on subscription rates, oversubscription multiples, and effective subscription ratios for recent IPOs like Xi'an Yicai and Bibet[24][25]

Core Insights - Yunhan Chip City experienced a 1.60% decline in stock price on October 24, with a trading volume of 1.827 billion yuan [1] - The company reported a financing buy-in of 152 million yuan and a net financing purchase of 12.39 million yuan on the same day [1][2] - As of October 24, the total financing and securities lending balance for Yunhan Chip City was 208 million yuan, accounting for 6.40% of its market capitalization [1] Financing Overview - On October 24, Yunhan Chip City had a financing buy-in of 152 million yuan, with a current financing balance of 208 million yuan [1] - The company had no securities lending activity on that day, with both securities lent and repaid being zero [1] Company Profile - Yunhan Chip City (Shanghai) Internet Technology Co., Ltd. was established on May 7, 2008, and is located in Songjiang District, Shanghai [1] - The company operates a B2B online mall that provides a one-stop supply chain service for the electronic manufacturing industry, including product design, PCBA manufacturing, and technical support [1] - The main revenue composition includes semiconductor devices (56.14%), connectors (17.35%), passive components (16.05%), and others (10.19%) [1] Financial Performance - For the first half of 2025, Yunhan Chip City reported a revenue of 1.44 billion yuan, representing a year-on-year growth of 17.82% [2] - The net profit attributable to shareholders for the same period was 53.92 million yuan, reflecting a year-on-year increase of 40.65% [2] Shareholder Information - As of September 30, the number of shareholders for Yunhan Chip City reached 26,400, an increase of 77,652.94% compared to the previous period [2] - The average number of circulating shares per shareholder was 527 shares, unchanged from the previous period [2]

Core Viewpoint - In the past week, 51 stocks had a turnover rate exceeding 100%, indicating significant trading activity in the market [1] Group 1: High Turnover Stocks - Yunhan Chip City (301563) had the highest weekly turnover rate at 277.04% [1] - Haocreat Ruitong (301668), Daosheng Tianhe (601026), and Jianda Zhixin (301584) also reported turnover rates exceeding 200% [1] Group 2: Industry Analysis - The stocks with turnover rates above 100% predominantly belong to the electronics, machinery equipment, pharmaceutical biology, and petroleum and petrochemical industries [1]

Core Points - The Shanghai Composite Index rose by 2.88% this week, with 51 stocks having a turnover rate exceeding 100% [1] - The average increase for stocks with a turnover rate over 100% was 11.49%, with 41 stocks rising and 10 stocks falling [2] Turnover Rate Analysis - A total of 51 stocks had a turnover rate above 100%, while 197 stocks had a turnover rate between 50% and 100%, and 2403 stocks had a turnover rate between 10% and 50% [1] - The mechanical equipment sector had the highest number of stocks with a turnover rate over 100%, totaling 16 stocks, followed by basic chemicals with 5 stocks and petroleum and petrochemicals with 4 stocks [1] Notable Stocks - Yunhan Chip City had the highest turnover rate at 277.04%, with a weekly price increase of 40.55%. It experienced significant trading activity, including three instances of hitting the daily trading limit [1] - Haocreator Technology ranked second with a turnover rate of 253.95% and a price increase of 15.01%. It also had notable trading activity, with institutional net selling of 79.03 million yuan [1][2] - Daosheng Tianhe had a turnover rate of 244.37% but saw a price decline of 11.08%. It recorded a net inflow of 375.37 million yuan from trading [2] Financial Performance - Among the stocks with a turnover rate over 100%, 17 have released their Q3 reports, with Daosheng Tianhe showing the highest net profit growth of 56.89% year-on-year [2] - Yunhan Chip City is projected to have a median net profit of 78.5 million yuan for Q3, reflecting a year-on-year increase of 41.41% [2]

（原标题：73只A股筹码大换手（10月24日）） 注：本文系新闻报道，不构成投资建议，股市有风险，投资需谨慎。 | 证券代码 | 证券简称 | 收盘价（元） | 换手率 | 涨跌幅 | | --- | --- | --- | --- | --- | | | | | （%） | （%） | | 603175 | C超颖 | 84.99 | 83.73 | 397.60 | | 301584 | 建发致新 | 35.66 | 67.68 | -4.14 | | 301563 | 云汉芯城 | 233.32 | 55.47 | -1.60 | | 002278 | 神开股份 | 14.44 | 53.44 | 6.49 | | 301668 | 昊创瑞通 | 62.45 | 51.86 | -9.88 | | 001386 | C马可波 | 28.54 | 50.77 | -9.25 | | 301231 | 荣信文化 | 37.83 | 46.23 | -0.53 | | 920158 | 长江能科 | 18.98 | 43.34 | 0.48 | | 601026 | 道生天合 | 26.39 | 41.58 ...

近半年该股累计上榜龙虎榜9次，上榜次日股价平均涨13.31%，上榜后5日平均涨29.91%。 资金流向方面，今日该股主力资金净流出3411.15万元，其中，特大单净流出759.05万元，大单资金净流 出2652.11万元。近5日主力资金净流入694.91万元。（数据宝） 云汉芯城10月24日交易公开信息 （原标题：云汉芯城10月24日龙虎榜数据） 云汉芯城今日下跌1.60%，全天换手率55.47%，成交额18.27亿元，振幅11.19%。龙虎榜数据显示，机构 净卖出3867.06万元，营业部席位合计净卖出2626.15万元。 深交所公开信息显示，当日该股因日换手率达55.47%上榜，机构专用席位净卖出3867.06万元。 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5.25亿元，其中，买入成交额为2.30亿 元，卖出成交额为2.95亿元，合计净卖出6493.22万元。 具体来看，今日上榜的营业部中，共有4家机构专用席位现身，即买一、买二、买三、买四、卖一、卖 二、卖三，合计买入金额1.88亿元，卖出金额2.27亿元，合计净卖出3867.06万元。 | 买/卖 | 会员营业部名称 | 买入金额（万元 ...