关于北京中石伟业科技股份有限公司 调整使用自有资金进行现金管理额度的核查意见 国泰海通证券股份有限公司（以下简称"国泰海通"或"保荐人"）作为北 京中石伟业科技股份有限公司（以下简称"中石科技"或"公司"）持续督导工 作的保荐人，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》及《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》等法律法规和规范性文件的规定，对中石科技拟调整使用自有 资金进行现金管理额度相关事项进行审慎核查，具体情况如下： 一、本次调整使用自有资金进行现金管理额度的基本情况 （一）投资目的 在保证日常经营资金需求和资金安全的前提下，公司运用自有资金购买理财 产品，以提高资金利用效率。 国泰海通证券股份有限公司 （二）投资额度及期限 公司将拟使用自有资金进行现金管理的金额由不超过人民币 5 亿元（包含本 数）变更为不超过人民币 9 亿元（包含本数），增加现金管理额度人民币 4 亿元 （包含本数）。在上述人民币 9 亿元（包含本数）额度内，资金可循环滚动使用， 期限为自2025年第三次临时股东会审议通过之日起至2025年年度股东会召开之 日内有效 ...

Core Viewpoint - Zhongshi Technology (300684.SZ) reported significant revenue and profit growth in Q3 2025, driven by new product launches and increased market share in North America [1] Financial Performance - Q3 revenue reached 550 million yuan, a year-on-year increase of 21.79% [1] - Net profit attributable to shareholders was 130 million yuan, up 87.74% year-on-year [1] - For the first three quarters, total revenue was 1.298 billion yuan, reflecting an 18.45% year-on-year growth [1] - Net profit for the first three quarters was 252 million yuan, showing a 90.59% increase year-on-year [1] Growth Drivers - Performance growth is attributed to the launch of new products by major North American clients and the ramp-up of new projects [1] - Increased shipment volumes of thermal materials and components contributed to the rise in revenue [1] - The company is actively expanding into emerging fields such as AI terminal devices and AI infrastructure, leading to rapid revenue growth in high-efficiency thermal modules and core thermal components [1] - Product structure optimization and cost reduction efforts have significantly enhanced profitability [1]

中石科技公告，第三季度营收为5.5亿元，同比增长21.79%；净利润为1.3亿元，同比增长87.74%。前三 季度营收为12.98亿元，同比增长18.45%；净利润为2.52亿元，同比增长90.59%。 ...

本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 重要内容提示： 北京中石伟业科技股份有限公司 2025 年第三季度报告 证券代码：300684 证券简称：中石科技 公告编号：2025-062 北京中石伟业科技股份有限公司 2025 年第三季度报告 1.董事会、监事会及董事、监事、高级管理人员保证季度报告的真实、准确、完整，不存在虚假记载、误导性陈述或重 大遗漏，并承担个别和连带的法律责任。 2.公司负责人、主管会计工作负责人及会计机构负责人(会计主管人员)声明：保证季度报告中财务信息的真实、准确、 完整。 3.第三季度财务会计报告是否经过审计 □是 否 1 北京中石伟业科技股份有限公司 2025 年第三季度报告 一、主要财务数据 （一） 主要会计数据和财务指标 公司是否需追溯调整或重述以前年度会计数据 □是 否 | | 本报告期 | 本报告期比上年同期 | 年初至报告期末 | 年初至报告期末比上 | | --- | --- | --- | --- | --- | | | | 增减 | | 年同期增减 | | 营业收入（元） | 550,218,921.11 | ...

Core Insights - The electronic chemicals sector experienced a slight decline of 0.01% on October 29, with Anji Technology leading the drop [1] - The Shanghai Composite Index closed at 4016.33, up 0.7%, while the Shenzhen Component Index closed at 13691.38, up 1.95% [1] Stock Performance Summary - **Top Gainers**: - Kaihua Materials (Code: 920526) closed at 27.02, up 5.84% with a trading volume of 21,100 shares and a transaction value of 55.41 million [1] - Zhongshi Technology (Code: 300684) closed at 49.40, up 5.56% with a trading volume of 335,900 shares and a transaction value of 1.633 billion [1] - Glinda (Code: 603931) closed at 30.25, up 3.28% with a trading volume of 120,800 shares and a transaction value of 363 million [1] - **Top Losers**: - Anji Technology (Code: 6108889) closed at 216.33, down 5.78% with a trading volume of 71,600 shares and a transaction value of 155.3 million [2] - Guangxin Materials (Code: 300537) closed at 25.21, down 4.94% with a trading volume of 171,000 shares and a transaction value of 432 million [2] - Siquan New Materials (Code: 301489) closed at 198.91, down 2.16% with a trading volume of 93,800 shares and a transaction value of 185.2 million [2] Capital Flow Analysis - The electronic chemicals sector saw a net outflow of 604 million from institutional investors, while retail investors contributed a net inflow of 396 million [2] - Notable capital flows include: - Zhongshi Technology had a net inflow of 31.05 million from retail investors, but a net outflow of 2.83 million from institutional investors [3] - Anji Technology experienced a significant net outflow of 155.3 million from institutional investors [2][3]

Market Overview - The electronic chemicals sector experienced a decline of 0.3% on October 28, with Siquan New Materials 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 electronic chemicals sector included: - Huate Gas (688268) with a closing price of 68.52, up 5.42% on a trading volume of 44,800 shares and a turnover of 297 million [1] - Jingrui Electric Materials (300655) closed at 18.25, up 4.23% with a trading volume of 3.09 million shares and a turnover of 56.791 million [1] - Conversely, Siquan New Materials (301489) saw a significant decline of 16.98%, closing at 203.30 with a trading volume of 138,900 shares and a turnover of 298.5 million [2] Capital Flow - The electronic chemicals sector experienced a net outflow of 1.446 billion in main funds, while retail investors saw a net inflow of 1.253 billion [2] - The capital flow for specific stocks showed: - Dinglong Co. (300054) had a main fund net inflow of 37.85 million, but retail investors had a net outflow of 22.91 million [3] - Huate Gas (688268) experienced a main fund net inflow of 8.2143 million, with retail investors seeing a net outflow of 8.6272 million [3]

Core Viewpoint - The CPO concept has experienced a resurgence, leading to a "limit-up" trend in related stocks, driven by breakthroughs in domestic GPU technology and strong demand for AI computing power [1][3]. Group 1: CPO Concept and Stock Performance - The CPO sector has seen significant investment interest, with stocks like Yuanjie Technology hitting a 20% limit-up, and other companies such as Huilv Ecology and Cambridge Technology also reaching their limits [2][3]. - By the end of the trading day, Yuanjie Technology led with a 14.49% increase, while several other stocks in the sector showed substantial gains, indicating a strong market sentiment [2][3]. Group 2: Domestic GPU Breakthroughs - Domestic GPU advancements are a key factor in the CPO surge, with Muxi Co. successfully overcoming technical barriers in high-performance GPU chip development, positioning itself as a leader in the field [3]. - Muxi's new flagship GPU, the Xiyun C600, integrates large-capacity storage and mixed-precision computing capabilities, enhancing its performance for AI model training [3]. Group 3: Financial Performance of Key Companies - Cambrian's third-quarter report revealed a revenue of 1.727 billion yuan, a year-on-year increase of 1333%, and a net profit of 567 million yuan, marking a significant turnaround from losses in the previous year [3][4]. - Cambrian's strong performance has positively influenced its stock, which saw a nearly 7% increase during trading [4]. Group 4: Market Outlook and Demand Trends - The CPO sector is expected to maintain high growth due to increasing AI computing power demands, with significant adjustments in procurement plans from overseas clients [5]. - The light module market is experiencing rapid growth driven by technological advancements and increasing demand, with leading companies expected to maintain strong profitability [5][6]. Group 5: Investment Recommendations - Institutions recommend focusing on leading companies with core technologies and scale advantages within the CPO industry, particularly in critical areas like optical chips and engines [6]. - The ongoing demand for high-speed optical modules is anticipated to benefit top-tier manufacturers, sustaining high growth rates in their performance [6].

Core Viewpoint - The electronic chemicals sector experienced a rise of 1.09% on October 20, with Zhongshi Technology leading the gains, while the overall market indices also showed positive performance [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3863.89, up 0.63% [1]. - The Shenzhen Component Index closed at 12813.21, up 0.98% [1]. Group 2: Individual Stock Performance - Zhongshi Technology (300684) closed at 44.78, with an increase of 8.64% and a trading volume of 395,700 shares [1]. - Guangxin Materials (300537) closed at 28.44, up 6.92% with a trading volume of 224,600 shares [1]. - Sanhu Xinke (688389) closed at 56.70, increasing by 2.98% with a trading volume of 19,600 shares [1]. - Tiantong Co., Ltd. (600330) closed at 10.20, up 2.93% with a trading volume of 1,599,900 shares [1]. - Other notable stocks include Guanghua Technology (002741) at 21.48 (+2.87%), Siquan New Materials (301489) at 197.88 (+2.63%), and Xingfu Electronics (688545) at 35.00 (+2.10%) [1]. Group 3: Capital Flow Analysis - The electronic chemicals sector saw a net outflow of 124 million yuan from institutional investors and 126 million yuan from speculative funds, while retail investors contributed a net inflow of 250 million yuan [2]. - The capital flow for individual stocks indicates varied trends, with Guangxin Materials experiencing a net outflow of 41.98 million yuan from institutional investors [3]. - Shanghai Xinyang (300236) had a net inflow of 33.05 million yuan from institutional investors, while Guanghua Technology (002741) saw a net inflow of 28.92 million yuan [3].

Group 1 - The core argument of the article is that Apple's decision to switch from titanium alloy to aluminum alloy for the iPhone 17 Pro highlights a significant shift in the consumer electronics industry, where thermal performance is becoming a critical design consideration for high-end devices [2][5][10]. - The change from titanium to aluminum is driven by the need for better heat dissipation, as titanium's thermal conductivity is only 1/30th that of aluminum, which has become a bottleneck for device performance with the increasing power of chips like the A19 Pro [5][6]. - The iPhone 17 Pro demonstrates improved thermal management, with a temperature reduction of 7.4°C during 4K video recording compared to the iPhone 16 Pro, and a significant reduction in frame rate fluctuations during high-performance gaming [6][7]. Group 2 - The thermal management market is experiencing explosive growth due to rising power consumption in consumer electronics driven by technologies like 5G and AI, with the global TIM market expected to reach approximately $7.5 billion by 2036 [12][14]. - VC (Vapor Chamber) heat spreaders are rapidly penetrating the high-end consumer electronics market, with their penetration rate in high-end smartphones projected to increase from 35% in 2023 to 62% by 2025 [14][40]. - The demand for thermal management solutions is also surging in sectors like electric vehicles and data centers, with the global market for thermal management in data centers expected to reach 70.8 billion yuan by 2025 [15][16]. Group 3 - The article outlines the evolution of thermal materials from passive to active and intelligent cooling solutions, highlighting the importance of thermal management across various high-tech industries [22][20]. - Traditional thermal materials like aluminum and copper are still prevalent, but emerging materials such as graphite and VC heat spreaders are gaining traction due to their superior thermal conductivity [23][26]. - The VC heat spreader market is projected to grow significantly, with an expected market size of $1.089 billion in 2024, driven by demand from smartphones, laptops, and electric vehicles [40][48].

Key Points - Daya Energy's stock price has increased by 68.37% over six consecutive trading days, indicating potential irrational speculation risk [1] - Hengli Shipbuilding plans to invest 2.654 billion yuan in a green high-end equipment manufacturing supporting project related to *ST Songfa [1] - Gaoneng Environment has won a bid for a wastewater treatment facility renovation project in Suichang County, valued at 53.6423 million yuan [1] - Daji Technology intends to acquire 55% of Longzhiyuan for 416 million yuan [1] - Fujirui plans to repurchase shares worth between 10 million to 20 million yuan [1] - Zijin Mining reported a net profit of 37.864 billion yuan for the first three quarters, a year-on-year increase of 55.45% [1] - Liandong Technology's actual controller and its concerted parties plan to reduce their holdings by no more than 2.9963% [1] - Zhongqi Co. plans to issue convertible bonds to raise no more than 1.039 billion yuan [2] - Guoda Special Materials' chairman and general manager Xu Weiming has been released from detention [2]