Summary of Key Points Core Viewpoint - On August 19, the Beijing Stock Exchange (BSE) saw a total trading volume of 2.062 billion shares and a trading value of 52.896 billion yuan, marking an increase of 7.429 billion yuan compared to the previous trading day. A total of 188 stocks closed higher, indicating a positive market sentiment [1]. Trading Performance - Among the tradable stocks on the BSE, 188 stocks (69.37%) closed higher, with notable gainers including JinHao Medical (up 18.63%), BoXun Bio (up 18.20%), and GeLiEr (up 17.75%) [1]. - Conversely, 78 stocks closed lower, with the largest declines seen in ShuGuang ShuChuang (down 7.95%), LiTong Technology (down 6.57%), and LinTai New Materials (down 6.17%) [1]. Trading Volume and Activity - A total of 160 stocks had a trading value exceeding 10 million yuan, with the highest trading values recorded for ShuGuang ShuChuang (1.424 billion yuan), GeLiEr (1.152 billion yuan), and HaiNeng Technology (1.122 billion yuan) [1]. - In terms of trading activity, 105 stocks had a turnover rate exceeding 10%, with 25 stocks exceeding 20%. The highest turnover rates were observed in BoXun Bio (43.90%), JingSai Technology (41.04%), and ZhiGao Machinery (40.28%) [1]. Notable Stocks - The trading details for some notable stocks include: - ShuGuang ShuChuang: Closing price 91.21 yuan, down 7.95%, turnover rate 7.60%, trading value 1.424 billion yuan [1]. - GeLiEr: Closing price 22.16 yuan, up 17.75%, turnover rate 26.98%, trading value 280.77 million yuan [2]. - BoXun Bio: Closing price 34.03 yuan, up 18.20%, turnover rate 43.90%, trading value 261.67 million yuan [2].

Core Insights - The upgrade of Nvidia's architecture is driving the development of liquid cooling solutions, with the GB300 liquid cooling system covering over 80% of high-power components, and the Rubin architecture Kyber rack expected to achieve 100% liquid cooling by 2027 [1] - The demand for GPU liquid cooling is significantly increasing, with the GPU liquid cooling market projected to reach 80 billion yuan by 2026 [2] - ASIC cooling presents high gross margin potential, with a surge in ASIC chip shipments expected in 2026, driven by major tech companies like Google, Meta, and Amazon [3] - Chinese companies are positioned to become industry leaders in the liquid cooling sector, with several firms already making significant advancements [4] Liquid Cooling Market Dynamics - The four main components of the cold plate liquid cooling solution (cold plate, CDU, UQD, Manifold) account for over 90% of the total value of the GB200 NVL72 cooling solution [2] - The GB300 system will increase the number of cold plates used from 54 in GB200 to 126 in GB300, indicating a significant rise in component demand [2] ASIC Chip Market Outlook - Google has fully adopted liquid cooling for its TPU clusters, achieving a GW-level operational scale with high availability [3] - Expected shipments of Google TPUs will reach between 1.5 million to 2 million units by 2025, with Meta and Amazon also planning substantial ASIC chip releases [3] Growth Potential for Chinese Companies - Companies like Qihong Technology and Shuguang Digital Innovation are making strides in the liquid cooling supply chain and commercial deployment [4] - Other firms such as Yingweike and Feirongda are also establishing themselves as key players in the liquid cooling market, with innovative products and successful partnerships [4] Investment Recommendations - The performance boost from Nvidia's Blackwell architecture necessitates liquid cooling solutions, while the customization of ASIC chips is expected to enhance profit margins [5] - The growth of the cooling industry is anticipated as GB200/GB300 systems continue to expand and ASIC servers are introduced [5]

截至8月18日，北交所融资融券余额合计69.93亿元，较前一交易日增加2.91亿元，其中，融资余额69.92 亿元，较前一交易日增加2.91亿元，融券余额为71.74万元，较前一交易日增加34.03万元。 证券时报·数据宝统计显示，截至8月18日，北交所股票中，融资余额居前的为锦波生物、曙光数创、艾 融软件，最新融资余额分别为3.52亿元、2.15亿元、1.87亿元，从最新融资余额占流通市值比例看，算 术平均值为1.20%，最新融资余额占流通市值比例居前的有万源通、巨能股份、利通科技等，占比分别 为3.98%、3.83%、3.77%。 北交所股票中，8月18日共有152只股获融资净买入，净买入金额在500万元以上的有22只，曙光数创融 资净买入额居首，当日净买入9586.76万元，其次是利通科技、广脉科技，融资净买入金额分别为 3667.41万元、1681.48万元，融资净买入金额居前的还有远航精密、奥迪威、艾融软件等。融资净卖出 金额居前的股票为天铭科技、铁拓机械、恒立钻具等，融资净卖出金额分别为1866.66万元、1672.24万 元、1447.60万元。 分行业统计，获融资净买入超500万元的北交所股票 ...

8月18日，A股液冷概念股再度爆发，股价涨幅超过10%（包含10%）的公司有22家。其中，曙光数创"30cm"涨停，方盛股份、高澜股份、强瑞技术、润禾 材料等"20cm"涨停。 | 序号 | 代码 | 名称 | | 最新 | 涨幅% 1 | | --- | --- | --- | --- | --- | --- | | 1 | 872808 | 曙光数创 | 1 | 99.09 | 29.99 | | 2 | 832662 | 方感股份 | | 47.90 | 22.07 | | 3 | 300499 | 高澜股份 | 1 | 30.94 | 20.02 | | 4 | 301128 | 强瑞技术 | 1 | 89.29 | 20.00 | | 5 | 300727 | 润末材料 | 事 | 43.64 | 19.99 | | 6 | 301086 | 愛聞與 | 1 | 67.00 | 18.19 | | 7 | 688032 | 德邦科技 | 1 | 57.28 | 16.78 | | 8 | 300843 | 胜蓝股份 | | 52.00 | 15.76 | | 9 | 300602 | 飞荣达 | * ...

Investment Rating - The report rates the industry as "Positive" for investment, indicating an optimistic outlook for the sector over the next 12 months [6]. Core Insights - The liquid cooling technology is positioned as a crucial solution for data centers to address heat dissipation challenges, especially with the increasing power consumption driven by AI applications [14][20]. - The report highlights the significant advantages of liquid cooling over traditional air cooling, including higher cooling efficiency, lower energy consumption, and reduced total cost of ownership (TCO) [13][26]. - The domestic liquid cooling market is projected to reach approximately 4-5 billion yuan by 2025 and 7-8 billion yuan by 2026, driven by the increasing adoption of high-power servers [43]. Summary by Sections Cooling Technology Overview - Data centers require efficient cooling systems due to their high heat generation, with liquid cooling being a key upgrade from traditional air cooling methods [8][13]. - Liquid cooling methods include cold plate, spray, and immersion cooling, with immersion cooling further divided into single-phase and two-phase types [9][13]. Drivers of Liquid Cooling Adoption - **Driver 1: AI Power Consumption** The power consumption of CPUs and GPUs is rapidly increasing, pushing the limits of air cooling solutions [14][19]. - **Driver 2: Policy Control on PUE** The report emphasizes the need for more efficient cooling solutions to meet stringent PUE (Power Usage Effectiveness) targets set by regulations, with liquid cooling achieving lower PUE values compared to air cooling [20][25]. - **Driver 3: Lower Lifecycle Costs** Liquid cooling systems demonstrate lower TCO compared to air cooling, particularly in terms of capital and operational expenditures [26][29]. Market Size and Growth - The report estimates that the domestic liquid cooling market will grow significantly, with projections of 40-50 billion yuan in 2025 and 70-80 billion yuan in 2026 [43][45]. - The market for liquid cooling components, such as CDU and manifolds, is expected to see substantial growth, with specific segments projected to grow by over 200% year-on-year by 2026 [49]. Investment Opportunities - The report identifies key investment opportunities within the liquid cooling supply chain, including liquid cooling plates, CDU, and manifold products, with a focus on domestic manufacturers [54][57]. - The trend towards domestic substitution in the liquid cooling market is highlighted, particularly for components currently dominated by foreign suppliers [58][61]. Key Players and Competitive Landscape - Major players in the liquid cooling market include companies like Invec, Feirongda, and Zhonghang Optoelectronics, which are positioned to benefit from the growing demand for liquid cooling solutions [78][84]. - The competitive landscape is characterized by a mix of established players and emerging domestic manufacturers, with a focus on innovation and cost reduction in liquid cooling technologies [79][82].

Core Viewpoint - The liquid cooling concept in the A-share market has seen a significant rise, driven by the increasing demand for cooling solutions in data centers and computing equipment due to the growing computational density [1][3]. Market Performance - On August 18, related stocks surged, with notable increases such as Shuguang Shuchuang (30% limit up), Fangsheng Co. (up 22.07%), and several others achieving 20% limit up [1]. - The liquid cooling technology is gaining traction as a core solution for addressing high-density heat dissipation issues, leading to explosive market demand [1]. Industry Growth - The liquid cooling server market in China is projected to reach $2.37 billion in 2024, representing a 67% year-on-year growth, with a compound annual growth rate (CAGR) of 46.8% expected from 2024 to 2029, potentially exceeding $16.2 billion by 2029 [3]. - The penetration rate of liquid cooling data centers among the three major operators is expected to rise from 14% in 2025 to 26%, with order schedules extending to 2026 [3]. Applications - Liquid cooling technology is increasingly essential in the AI sector, significantly reducing energy consumption and improving power usage effectiveness (PUE) to levels between 1.1 and 1.2, compared to over 1.5 for air cooling [3]. - The market for thermal management in new energy vehicles is projected to reach 77.1 billion yuan in 2024, with the value of liquid cooling systems per vehicle being three times that of traditional fuel vehicles [3]. Competitive Advantage - Chinese liquid cooling companies have established a global competitive edge, achieving breakthroughs in key areas such as immersion cooling and cold plate cooling, with top-tier technology indicators [5][6]. - Chinese firms hold 35% of the top 20 global liquid cooling patents, with a 55% share in the immersion cooling sector [6]. - The use of nylon to replace metals in liquid cooling components has reduced costs by 30% to 50% and decreased leakage risks by 90% [6]. Industry Chain - The Chinese liquid cooling industry encompasses a complete supply chain, from coolant production to core components and system integration [6]. - Major companies involved include Juhua Co. for coolant, Feilong Co. for electronic pumps, and Industrial Fulian for system integration [6]. Company Highlights - The A-share liquid cooling sector comprises 120 constituent stocks with a total market capitalization of 3.66 trillion yuan [7]. - Companies like Invec provide precision temperature control solutions across various sectors, while Shuguang Shuchuang focuses on data center liquid cooling solutions, particularly in immersion phase change cooling technology [7][8]. - Silver Wheel Co. is advancing its liquid cooling business as a third growth curve, with proprietary technologies enhancing cooling efficiency [7]. - Highlan Co. specializes in liquid cooling solutions for new energy and data center applications, collaborating with major battery manufacturers [8].

每经讯，2025年8月18日，北交所上市公司曙光数创（872808，收盘价：99.09元）登上龙虎榜，交易方式是连续竞价，披露原因 是当日收盘价涨幅达到29.99%，成交数量1705.22万股，成交金额15.55亿元。买一席位为东方证券股份有限公司上海浦东新区张 杨路证券营业部，买入2.25亿元；卖一席位为国泰海通证券股份有限公司贵州贵阳中华中路营业部，卖出1766.01万元。 （记者 张喜威） 免责声明：本文内容与数据仅供参考，不构成投资建议，使用前核实。据此操作，风险自担。 每日经济新闻 | | 2025-08-18曙光数创（872808） 龙虎榜 | | | | --- | --- | --- | --- | | 序号 | 交易营业部名称 | 买入金额(元) | 卖出金额(元) | | ਜੇਵ ਹ | 东方证券股份有限公司上海浦东新区张杨路证券营业部 | 224604127.1 | 335185 | | 买2 | 国金证券股份有限公司深圳分公司 | 26547367.71 | 3910873.1 | | 买3 | 国泰海通证券股份有限公司上海江苏路营业部 | 23398230.28 | 19602 | ...

曙光数创8月18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 | 东方证券股份有限公司上海浦东新区张杨路证券营业 | 22460.41 | 33.52 | | | 部 | | | | 买二 | 国金证券股份有限公司深圳分公司 | 2654.74 | 391.09 | | 买三 | 国泰海通证券股份有限公司上海江苏路营业部 | 2339.82 | 1.96 | | 买四 | 中信建投证券股份有限公司安徽分公司 | 2035.79 | 24.18 | | 买五 | 国信证券股份有限公司深圳红岭中路证券营业部 | 1787.71 | 83.32 | | 卖一 | 国泰海通证券股份有限公司贵州贵阳中华中路营业部 | 0.99 | 1766.01 | | 卖二 | 国泰海通证券股份有限公司江苏南京太平南路营业部 | 66.13 | 1746.20 | | 卖三 | 中泰证券股份有限公司章丘双山北路证券营业部 | 3.19 | 1605.35 | | 卖四 | 机构专用 | 1374.10 | 1573.22 ...

证券之星消息，8月18日计算机设备板块较上一交易日上涨2.26%，曙光数创领涨。当日上证指数报收于 3728.03，上涨0.85%。深证成指报收于11835.57，上涨1.73%。计算机设备板块个股涨跌见下表： 从资金流向上来看，当日计算机设备板块主力资金净流出4.24亿元，游资资金净流出5.36亿元，散户资金 净流入9.61亿元。计算机设备板块个股资金流向见下表： | 代码 | 名称 | 主力净流入(元) | 主力净占比 游资净流入 (元) | | 游资净占比 散户净流入(元) | | 散户净占比 | | --- | --- | --- | --- | --- | --- | --- | --- | | 002236 大华股份 | | 3.93亿 | 10.12% | -3.46 Z | -8.90% | -4751.41万 | -1.22% | | 000977 浪潮信息 | | 3.14 Z | 4.48% | -8589.04万 | -1.23% | -2.28亿 | -3.26% | | 001339 智微智能 | | 2.30 Z | 17.16% | -1.55 Z | -11.60% | -7 ...

A股三大指数18日集体收涨，截至收盘，沪指涨0.85%，深成指涨1.73%，创业板指涨2.84%，北证50指 数涨6.79%，沪深京三市全天成交额28091亿元，较上日放量5363亿元。全市场超4000只个股上涨。 板 块题材上，影视传媒、液冷服务器、华为海思概念走高，贵金属板块调整。 盘面上，影视传媒板块走 强，欢瑞世纪、慈文传媒股涨停。液冷服务器板块全线走强，曙光数创30CM涨停，高澜技术、强瑞技 术20CM涨停封板。川润股份、金田股份等数十只个股涨停封板。华为海思概念股走强，晶赛科技 30CM涨停，深圳华强、好上好涨停封板。贵金属板块调整，山东黄金、招金黄金跌超1%。 （来源同花顺，以上信息为南都·湾财社AI大数据自动生成） ...