中石科技公告，截至公告披露日，公司通过集中竞价交易方式回购股份58.6万股，占公司总股本的 0.1957%，最高成交价为45.53元/股，最低成交价为21.15元/股，成交总金额1554.41万元(不含交易费 用)。公司本次回购股份金额已达回购方案中的回购资金总额下限，且不超过回购方案中的回购资金总 额的上限，回购方案已实施完毕。 ...

证券代码：300684 证券简称：中石科技 公告编号：2025-073 北京中石伟业科技股份有限公司 关于公司股份回购完成暨股份变动的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚 假记载、误导性陈述或重大遗漏。 北京中石伟业科技股份有限公司（以下简称"公司"或"中石科技"）于 2025 年 4 月 14 日召开了第五届董事会第二次会议以及第五届监事会第二次会议，审 议并通过了《关于回购公司股份方案的议案》，同意公司使用自有资金以集中竞 价交易的方式回购公司部分股份，用于实施股权激励或员工持股计划。本次回购 股份的资金总额不低于人民币 1,500 万元（含），且不超过人民币 3,000 万元（含）， 回购股份的价格不超过 30.00 元/股；回购期限自公司董事会审议通过本次回购股 份方案之日起 12 个月内。具体内容详见公司分别于 2025 年 4 月 14 日、2025 年 4 月 15 日在巨潮资讯网（www.cninfo.com.cn）披露的《关于回购公司股份方案 的公告》（公告编号：2025-009）和《回购报告书》（编号：2025-010）。 因实施 2024 年年度权益分派 ...

Core Viewpoint - Zhongshi Technology experienced a decline of 5.02% on November 21, with a stock price of 39.53 CNY per share and a total market capitalization of 11.84 billion CNY [1] Group 1: Company Overview - Beijing Zhongshi Weiye Technology Co., Ltd. was established on April 10, 1997, and listed on December 27, 2017 [1] - The company's main business involves the research, design, production, sales, and technical services of thermal conductive materials, EMI shielding materials, and power filters [1] - The revenue composition of the main business is as follows: thermal conductive materials account for 98.05%, while other supplementary materials account for 1.95% [1] Group 2: Shareholder Information - One of the top ten circulating shareholders of Zhongshi Technology is a fund under GF Fund, specifically the GF Multi-Strategy Emerging Stocks (003745), which increased its holdings by 579,900 shares in the third quarter, totaling 1.6904 million shares, representing 0.83% of circulating shares [2] - The fund has a current scale of 2.29 billion CNY and has achieved a year-to-date return of 27.53%, ranking 1659 out of 4208 in its category [2] - The fund manager, Zhou Zhishuo, has a tenure of 5 years and 66 days, with the best fund return during this period being 47.06% and the worst being -24.96% [2] Group 3: Fund Holdings - GF Multi-Strategy Emerging Stocks (003745) holds 1.6904 million shares of Zhongshi Technology, which constitutes 3.01% of the fund's net value, making it the fourth-largest holding [3] - The estimated floating loss for the fund today is approximately 3.533 million CNY [3]

北京市建国门北大街 8 号华润大厦 20 层 邮编：100005 电话：(86-10)85191300 传真：(86-10)85191350 junhebj@junhe.com 北京市君合律师事务所 关于北京中石伟业科技股份有限公司 2025 年第三次临时股东会的法律意见书 致：北京中石伟业科技股份有限公司 北京市君合律师事务所受北京中石伟业科技股份有限公司（以下简称"公 司"）的委托，根据《中华人民共和国公司法》（以下简称"《公司法》"）、《上 市公司股东会规则》（以下简称"《股东会规则》"）等法律、法规、规章及《北 京中石伟业科技股份有限公司章程》（以下简称"《公司章程》"）的有关规定， 就公司 2025 年第三次临时股东会（以下简称"本次股东会"）有关事宜出具本 法律意见书。 本法律意见书仅就本次股东会的召集和召开程序、出席本次股东会人员的资 格、召集人资格、会议表决程序是否符合中国有关法律、法规及《公司章程》的 规定以及表决结果是否合法有效发表意见，并不对本次股东会所审议的议案内容 以及该等议案所表述的相关事实或数据的真实性、准确性或合法性发表意见。 为出具本法律意见书之目的，本所委派律师列席公司本次 ...

证券代码：300684 证券简称：中石科技 公告编号：2025-072 北京中石伟业科技股份有限公司 2025 年第三次临时股东会决议公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚 假记载、误导性陈述或重大遗漏。 特别提示： 1.本次股东会未出现增加、变更、否决议案的情形； 2.本次股东会不涉及变更前次股东会决议的情形。 一、会议召开和出席情况 北京中石伟业科技股份有限公司(以下简称"公司")《关于召开 2025 年第三 次临时股东会的通知》已于 2025 年 10 月 30 日在中国证监会创业板指定信息 披露网站上披露。本次会议以现场与网络相结合的方式召开。网络投票时间： 2025 年 11 月 18 日。其中通过深圳证券交易所交易系统进行网络投票的具体时 间为：2025 年 11 月 18 日 9:15-9:25，9:30-11:30，13:00-15:00；通过深圳证券 交易所互联网投票系统（http://wltp.cninfo.com.cn）投票的具体时间为：2025 年 11 月 18 日 9:15 至 15:00 期间的任意时间。现场会议于 2025 年 11 月 18 日 ...

Core Viewpoint - The liquid cooling server index experienced a decline of 2.01%, with major constituent stocks under pressure [1]. Group 1: Stock Performance - Siquan New Materials saw the largest drop, falling by 6.42% [1]. - Kexin New Source decreased by 5.52% [1]. - Zhongshi Technology declined by 3.85% [1]. - Feirongda dropped by 3.76% [1]. - Chaoping San fell by 3.13% [1].

Core Insights - The Tonghuashun Fruit Index concept declined by 0.29%, ranking among the top declines in the concept sector, with notable declines in stocks such as Dongshan Precision, Xunwei Communication, and Saiteng Co., Ltd. [1] - In contrast, seven stocks within the same sector experienced price increases, with Desay Battery, Zhongshi Technology, and Changdian Technology leading the gains at 5.07%, 3.68%, and 1.46% respectively [1]. Concept Sector Performance - The top-performing concept sectors included Fluorochemical (up 4.50%), Organic Silicon (up 4.47%), and Sodium-ion Battery (up 4.47%), while the Tonghuashun Fruit Index was among the laggards [2]. - The sector saw a net outflow of 999.7 million yuan, with 14 stocks experiencing net outflows, and seven stocks seeing outflows exceeding 100 million yuan [2]. Major Stock Movements - The stocks with the highest net outflows included BOE Technology Group with a net outflow of 200 million yuan, followed by Xunwei Communication, Lens Technology, and Dongshan Precision [2]. - Conversely, the stocks with the highest net inflows were Changdian Technology, Zhongshi Technology, and Zhuhai Guanyu, with net inflows of 62.58 million yuan, 47.05 million yuan, and 43.70 million yuan respectively [2][3]. Individual Stock Performance - Notable declines in individual stocks included Xunwei Communication (-3.70%), Lens Technology (-2.25%), and Dongshan Precision (-4.42%) [2][3]. - In contrast, Desay Battery saw a significant increase of 5.07%, while Zhongshi Technology and Changdian Technology also posted gains of 3.68% and 1.46% respectively [3].

Core Insights - The liquid cooling technology is gaining prominence in the digital economy era, driven by the "dual carbon" strategy and the national project "East Data West Computing" [1][2] - The capital market has responded positively, with the liquid cooling sector index rising by 2.22% and a total transaction volume of 58.358 billion yuan on November 13 [1] Industry Overview - Data centers, while being the engine of the digital economy, are also significant energy consumers, facing pressure to transform under the "dual carbon" strategy [2] - By 2025, data centers are required to improve energy efficiency by 30%, with a target Power Usage Effectiveness (PUE) of below 1.3, marking a critical threshold for operational viability [2] Technology and Market Dynamics - Traditional air cooling methods are inadequate for meeting the new efficiency standards, necessitating revolutionary cooling solutions like liquid cooling [2] - Liquid cooling technology can potentially reduce overall energy consumption in data centers by over 30%, with its cooling efficiency being significantly higher than that of air cooling [2] Competitive Landscape - The liquid cooling market is expanding rapidly, with companies like Zhongshi Technology and Wanma Technology increasing their investments in liquid cooling solutions [3] - The liquid cooling technology is evolving towards more efficient and intelligent systems, with two main types: cold plate liquid cooling and immersion liquid cooling, each with distinct advantages and cost implications [3] Future Trends - The immersion liquid cooling technology is expected to become mainstream as costs decrease, and it will likely integrate with AI and IoT for smarter thermal management [3]

Group 1 - The Tonghuashun Fruit Index concept fell by 1.68%, ranking among the top declines in the concept sector, with notable declines in companies such as Lante Optics, Industrial Fulian, and Lens Technology [1] - The leading gainers in the concept sector included Dongshan Precision, Zhuhai Guanyu, and Desay Battery, with increases of 2.53%, 0.43%, and 0.21% respectively [1] - The concept sectors with the highest gains included Cultivated Diamonds at 6.08% and Perovskite Batteries at 2.98%, while sectors like Chinese AI 50 and Internet Insurance saw declines of 1.76% and 1.43% respectively [1] Group 2 - The Tonghuashun Fruit Index concept experienced a net outflow of 3.492 billion yuan, with 15 stocks seeing net outflows, and 7 stocks with outflows exceeding 100 million yuan [1] - Industrial Fulian had the highest net outflow of 1.462 billion yuan, followed by Luxshare Precision, Lingyi Technology, and GoerTek with outflows of 620 million yuan, 453 million yuan, and 450 million yuan respectively [1] - The stocks with the highest net inflows included Dongshan Precision, Xunwei Communication, and Zhongshi Technology, with inflows of 461 million yuan, 8.196 million yuan, and 1.444 million yuan respectively [2]

Core Viewpoint - The company's quarterly performance fluctuations are primarily influenced by changes in market demand within the consumer electronics industry, the product launch cycles of major clients, and the ramp-up progress of new products [1] Group 1: Business Performance - The company has seen rapid revenue growth in its server cooling products, including core components of thermal modules and TIM materials, which are supplied in bulk to server manufacturers [1] - The company is actively promoting the customer introduction, product certification, and mass production supply of liquid cooling thermal modules [1] Group 2: Production Capacity and Investment - The company is gradually increasing investment in the production capacity of thermal modules at its Yixing production base to meet customer order demands [1] - Current production capacity is sufficient to satisfy customer orders [1] Group 3: Future Strategies - The company plans to expand its business scale by enhancing core product research and development, broadening its customer base, optimizing production processes, and improving capacity utilization [1]