北京青云科技集团股份有限公司 独立董事提名人声明与承诺 提名人北京青云科技集团股份有限公司董事会，现提名游清平先生为北京青 云科技集团股份有限公司第三届董事会独立董事候选人，并已充分了解被提名人 职业、学历、职称、详细的工作经历、全部兼职、有无重大失信等不良记录等情 况。被提名人已书面同意出任北京青云科技集团股份有限公司第三届董事会独立 董事候选人（参见该独立董事候选人声明）。提名人认为，被提名人具备独立董 事任职资格，与北京青云科技集团股份有限公司之间不存在任何影响其独立性的 关系，具体声明并承诺如下： 一、被提名人具备上市公司运作的基本知识，熟悉相关法律、行政法规、 规章及其他规范性文件，具有五年以上法律、经济、会计、财务、管理等履行独 立董事职责所必需的工作经验。被提名人已取得高级会计师职称证书、税务师证 书及 CMA 证书，具备担任上市公司独立董事资格。被提名人已参加上海证券交 易所举办的独立董事履职平台培训，并取得证券交易所认可的相关培训证明材料。 （二）《中华人民共和国公务员法》关于公务员兼任职务的规定； （三）中国证监会《上市公司独立董事管理办法》、上海证券交易所自律监 管规则以及公司章程有关独 ...

北京青云科技集团股份有限公司 证券代码：688316 证券简称：青云科技 公告编号：2025-038 关于召开2025年第一次临时股东会的通知 本公司董事会及全体董事保证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： 网络投票系统：上海证券交易所股东会网络投票系统 一、 召开会议的基本情况 （一） 股东会类型和届次 2025年第一次临时股东会 召开日期时间：2025 年 8 月 20 日 15 点 00 分 召开地点：北京市朝阳区酒仙桥路 6 号院 9 号楼 11 层公司会议室 （五） 网络投票的系统、起止日期和投票时间。 网络投票起止时间：自2025 年 8 月 20 日 至2025 年 8 月 20 日 采用上海证券交易所网络投票系统，通过交易系统投票平台的投票时间为股 东会召开当日的交易时间段，即 9:15-9:25，9:30-11:30，13:00-15:00；通过互联 股东会召开日期：2025年8月20日 本次股东会采用的网络投票系统：上海证券交易所股东会网络投票系统 （二） 股东会召集人：董事会 （三） 投票方式：本次股东 ...

本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： | 权益变动方向 | 比例增加□ | | 比例减少☑ | | --- | --- | --- | --- | | 权益变动前合计比例 | 7.45% | | | | 权益变动后合计比例 | 6.85% | | | | 本次变动是否违反已作出的承 | 是□ | 否☑ | | | 诺、意向、计划 | | | | | 是否触发强制要约收购义务 | 是□ | 否☑ | | 证券代码：688316 证券简称：青云科技 公告编号：2025-035 北京青云科技集团股份有限公司 关于持股 5%以上股东权益变动触及 1%刻度的 提示性公告 投资者嘉兴蓝驰帆畅投资合伙企业（有限合伙）及其一致行动人天津蓝驰新禾投 资中心（有限合伙）保证向本公司提供的信息真实、准确、完整，没有虚假记载、误导 性陈述或重大遗漏。 一、 信息披露义务人及其一致行动人的基本信息 1.身份类别 二、 权益变动触及 1%刻度的基本情况 北京青云科技集团股份有限公司（以下简称"公司"）于 2025 年 7 月 24 日收到股东嘉兴蓝驰、天津蓝驰出具的《关于减持计划期间权益变动 ...

Market Performance - The Sci-Tech Innovation Board (STAR Market) index rose by 1.17%, closing at 1032.84 points, with a total trading volume of 4.548 billion shares and a turnover of 141.659 billion yuan, resulting in a weighted average turnover rate of 2.53% [1] - Among the tradable stocks on the STAR Market, 470 stocks closed higher, with 3 stocks increasing by over 10% and 36 stocks rising between 5% and 10%. Conversely, 111 stocks closed lower [1] - The highest turnover rate was recorded by Xinyuren at 20.25%, closing up by 1.89%, with a transaction amount of 340 million yuan. Other notable stocks included Qingyun Technology, which closed down by 2.81% with a turnover rate of 18.72% [1][3] Sector Analysis - In terms of sector performance, the pharmaceutical and biotechnology sector had the highest number of stocks with a turnover rate exceeding 5%, totaling 29 stocks. The electronics and machinery equipment sectors followed with 21 and 12 stocks, respectively [2] - Among high turnover stocks, 48 experienced net inflows of main funds, with the highest net inflows recorded for Aibo Medical (99.31 million yuan), Maolai Optical (78.81 million yuan), and ST Nuotai (67.05 million yuan) [2] Leverage Fund Movements - A total of 76 stocks with high turnover rates saw net purchases from leveraged funds, with significant increases in financing balances for Shangwei New Materials (247 million yuan), Dingtong Technology (203 million yuan), and Shijia Photon (174 million yuan) [2]

Group 1: Disease Outbreak - The number of confirmed cases of Chikungunya fever in Shunde District, Foshan, has reached 2,934, with a significant increase of 463 cases reported in one day [1] - The outbreak began on July 15, with 478 cases reported on the first day, indicating a rapid rise in cases over a short period [1] - The World Health Organization has reported that 119 countries and regions have identified Chikungunya virus transmission, affecting approximately 5.5 million people [1] Group 2: Satellite Internet - Shanghai Yuanxin Satellite has announced a tender for rocket launch services, requiring a total of 94 satellites to be launched by 2026, with a contract value of 1.336 billion yuan [2] - This tender follows a previous announcement for nine launch services earlier in the year, indicating a significant acceleration in the construction of the Thousand Sails constellation [2] - The market for satellite internet in China is projected to reach nearly 100 billion yuan in the next five years, with the private rocket market expected to exceed 30 billion yuan [2] Group 3: AI and Computing Power - The computing power sector is experiencing increased interest, with several companies seeing significant stock price increases ahead of the World Artificial Intelligence Conference [3] - Huawei is set to showcase its Ascend 384 super node technology, which features the largest scale of 384 card high-speed bus interconnection in the industry [3] - The demand for PCB (Printed Circuit Board) is expected to grow due to the recovery in electronic demand and the rise of AI and high-speed communication technologies [3] Group 4: Data Elements - The data elements sector has seen stock price increases, with several companies reaching their daily limit [4] - The National Data Bureau plans to enhance the marketization of data elements, focusing on creating a closed-loop ecosystem for data labeling, high-quality datasets, models, and application scenarios [4] - The market for RWA (Real World Assets) is expected to grow significantly, with increasing demand for standardized data assets across various sectors [4] Group 5: Electronic Identification - The Ministry of Public Security is promoting the electronicization of identification documents, aiming to streamline data sharing and business collaboration across departments [5] - The market for electronic identification is projected to exceed 100 billion yuan by 2025, with expectations of rapid growth in the following years [5] - The integration of technologies such as blockchain and biometrics is anticipated to enhance the application of electronic identification in various sectors [5] Group 6: Low Altitude Economy - The "Low Altitude Economic Infrastructure Framework Guide (2025 Edition)" has been officially released, outlining a multi-level indicator system for low-altitude infrastructure [6] - The low-altitude economy is recognized as a strategic emerging industry, with the market expected to reach 1.5 trillion yuan by 2025 and potentially exceed 3.5 trillion yuan by 2035 [6] - The development of the low-altitude economy is driven by policies, technology, and market forces, leading to significant capital investment and industry collaboration [6]

Core Viewpoint - On July 23, the Shanghai Composite Index rose by 0.01%, with institutional investors appearing on the trading lists of 31 stocks, net buying 17 and net selling 14 [1] Institutional Trading Summary - Institutional special seats were present in 31 stocks, with a total net selling amount of 437 million yuan, marking the fourth consecutive day of net selling [1] - The stock with the highest net buying amount was Tianshan Shares, which closed down 6.27% with a turnover rate of 3.18% and a transaction amount of 1.371 billion yuan, net buying 60.08 million yuan by institutional seats [2] - Shangfeng Cement closed down 9.27% with a turnover rate of 7.12% and a transaction amount of 675 million yuan, net buying 53.10 million yuan by institutional seats [2] - Qingyun Technology closed up 15.09% with a turnover rate of 24.52% and a transaction amount of 924 million yuan, net buying 48.72 million yuan by institutional seats [2] Market Performance Analysis - A backtest of stocks with net institutional buying over the past month showed a 48.97% probability of rising the next day and a 46.90% probability of outperforming the Shanghai Composite Index [3] - Among the stocks with net institutional buying, 8 companies released half-year performance forecasts, with 2 expecting profit increases and 1 expecting profit [3] - Sichuan Jinding had the highest expected net profit increase of 25.50 million yuan, representing a year-on-year increase of 328.45% [3] Detailed Institutional Trading Data - The following stocks had significant institutional net buying on July 23: - Tianshan Shares: -6.27% change, 3.18% turnover, 60.08 million yuan net buying [4] - Shangfeng Cement: -9.27% change, 7.12% turnover, 53.10 million yuan net buying [4] - Qingyun Technology: +15.09% change, 24.52% turnover, 48.72 million yuan net buying [4][5] Stock Connect Activity - On July 23, 18 stocks on the trading list had appearances from the Shenzhen-Hong Kong Stock Connect, with net buying in stocks like Xue Ren Group and Zhongyuan Haike, totaling 132 million yuan and 26.31 million yuan respectively [6] - Stocks with net selling included Haixia Shares and Lansheng Shares, with net selling amounts of 51.60 million yuan and 40.99 million yuan respectively [6][7]

Market Overview - As of July 23, the Shanghai Composite Index closed at 3582.30 points, with a slight increase of 0.44 points, representing a change of 0.01% [1] - The Shenzhen Component Index closed at 11059.04 points, down by 40.79 points, a decrease of 0.37% [1] - The ChiNext Index closed at 2310.67 points, with a minor decline of 0.19 points, or 0.01% [1] Trading Activity - A total of 101 A-shares had a turnover rate exceeding 20% on this day, indicating significant trading activity [1] - Notably, C Shanda and C Jiyuan had turnover rates above 50%, with 82.89% and 80.75% respectively, indicating a high level of liquidity and interest in these stocks [1] Top Stocks by Turnover Rate - C Shanda (301609) closed at 66.85 CNY, with a turnover rate of 82.89% and a remarkable increase of 356.00% [1] - C Jiyuan (603262) closed at 40.75 CNY, with a turnover rate of 80.75% and a significant rise of 274.54% [1] - Other notable stocks with high turnover rates include: - Guanlong Energy (301151) at 24.11 CNY, turnover rate of 72.29%, down by 5.67% [1] - Weiman Sealing (301161) at 29.81 CNY, turnover rate of 66.12%, down by 16.05% [1] - Southern Road Machinery (603280) at 34.75 CNY, turnover rate of 64.76%, up by 10.00% [1] Additional Noteworthy Stocks - Other stocks with notable trading activity include: - Sichuan Jinding (600678) at 11.15 CNY, turnover rate of 51.91%, down by 4.21% [1] - Baijia Technology (835857) at 9.56 CNY, turnover rate of 47.74%, up by 17.16% [1] - Jindun Co. (300411) at 15.77 CNY, turnover rate of 43.27%, down by 1.93% [1]

Core Viewpoint - The announcement details a significant change in the shareholding structure of Beijing Qingyun Technology Group Co., Ltd., specifically a reduction in the stake held by a major shareholder, Guangdong Hengqin Zhaosheng Ruixin Investment Center (Limited Partnership) from 5.00% to 4.00% [1][2]. Group 1: Shareholding Changes - The major shareholder, Hengqin Zhaosheng, reduced its holdings by a total of 477,997 shares, which represents a decrease of 1.00% in ownership [1]. - The shareholding before the change was 2,390,184 shares (5.00%), which decreased to 1,912,187 shares (4.00%) after the reduction [1]. - The reduction was executed through a combination of market transactions, including 232,424 shares sold in the open market and 245,573 shares sold via block trading [1]. Group 2: Compliance and Impact - The reduction in shareholding does not trigger mandatory tender offer obligations and is in compliance with previously disclosed share reduction plans [1]. - This change in shareholding does not affect the control structure of the company, as it does not lead to a change in the controlling shareholder or actual controller [1][2]. - The company emphasizes that this reduction will not have a significant impact on its governance structure or ongoing operations [1].

北京青云科技集团股份有限公司 关于持股 5%以上股东权益变动触及 1%刻度的 提示性公告 投资者广东横琴昭盛睿信投资中心（有限合伙）保证向本公司提供的信息真实、 准确、完整，没有虚假记载、误导性陈述或重大遗漏。 证券代码：688316 证券简称：青云科技 公告编号：2025-034 1 本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： | 权益变动方向 | 比例增加□ | | 比例减少☑ | | --- | --- | --- | --- | | 权益变动前合计比例 | 5.00% | | | | 权益变动后合计比例 | 4.00% | | | | 本次变动是否违反已作出的承 | 是□ | 否☑ | | | 诺、意向、计划 | | | | | 是否触发强制要约收购义务 | 是□ | 否☑ | | 一、信息披露义务人及其一致行动人的基本信息 1.身份类别 投资者及其一致行动人的身份 □控股股东/实际控制人及其一致行动人 ☑其他 5%以上大股东及其一致行动人 □合并口径第一大股东及其一致行动人（仅适用 于无控股股东、实际控制人） □其他______________（请注明） 2. ...

Summary of Key Points Core Viewpoint - On July 18, a total of 16 stocks on the Sci-Tech Innovation Board (STAR Market) experienced block trading, with a cumulative transaction amount of 171 million yuan, indicating active trading activity in this sector [1]. Group 1: Trading Activity - A total of 31 block trades were recorded, with a cumulative trading volume of 4.8367 million shares [1]. - The stock with the highest transaction amount was Haitan Ruisheng, which had 9 block trades totaling 38.30 million shares and a transaction amount of 38.30 million yuan [1]. - Other notable stocks in terms of transaction amounts included Guangyun Technology and Fuchuang Precision, with transaction amounts of 24.9162 million yuan and 20.9360 million yuan, respectively [1]. Group 2: Price and Discount Analysis - The stocks that experienced the highest discount rates relative to their closing prices included Qingyun Technology, Weixin Bio, and Guangyun Technology, with discount rates of 19.48%, 17.25%, and 14.95%, respectively [1]. - The average increase for the stocks involved in block trading was 2.55%, with the top gainers being Dema Technology, Qingyun Technology, and Huasheng Lithium, which saw increases of 14.74%, 7.90%, and 7.22% respectively [1]. Group 3: Institutional Participation - Among the block trades, 12 transactions involved institutional buyers or sellers, with the highest buying amounts for Haitan Ruisheng, Guangyun Technology, and Qingyun Technology, at 27.70 million yuan, 11.2276 million yuan, and 7.579 million yuan, respectively [2]. - In terms of net capital flow, six stocks saw net inflows, with Dema Technology, Huasheng Lithium, and Qingyun Technology leading with net inflows of 51.1035 million yuan, 33.284 million yuan, and 32.1246 million yuan, respectively [2].