Core Viewpoint - The liquid cooling server concept is gaining traction, with several companies experiencing significant stock price increases due to rising demand for AI computing power and the need for efficient cooling solutions [1][3]. Group 1: Market Trends - The global demand for AI computing power is increasing, leading to a shift from traditional air cooling to liquid cooling as the mainstream solution for high-performance chip cooling [3]. - According to a report by CITIC Securities, 2025 is expected to see a significant increase in the penetration of liquid cooling in NVIDIA's AI chips, which will drive market growth [3]. - The China Academy of Information and Communications Technology estimates that the liquid cooling market for intelligent computing centers in China will reach CNY 18.4 billion in 2024, a year-on-year increase of 66.1%, and is projected to reach approximately CNY 130 billion by 2029 [3]. Group 2: Company Developments - Runhe Materials has reported that its cooling liquid products have been mass-produced and are generating sales, with plans to expand production capacity based on customer demand and strategic development [3][4]. - Shenling Environment has indicated that liquid cooling is a key strategic business for the company, with new liquid cooling production lines already in operation [4]. - However, many companies in the domestic liquid cooling industry are still in the early stages of development, with limited revenue from related businesses. For instance, Dayuan Pump Industry reported that its sales revenue from products directly used for data center liquid cooling was only CNY 1.6 million in Q1 2025, accounting for 0.43% of total revenue [4].

Core Points - The Shanghai Composite Index closed at 3856.45 points, slightly below the five-day moving average with a change of -0.10% [1] - The total trading volume of A-shares reached 1,498.15 billion yuan, with 762 A-shares breaking through the five-day moving average [1] Summary by Category Stock Performance - Notable stocks with significant deviation from the five-day moving average include: - Runhe Materials (300727) with a deviation rate of 13.59% and a daily increase of 17.66% [2] - Hengshuai Co., Ltd. (300969) with a deviation rate of 10.72% and a daily increase of 14.35% [2] - Hongchang Technology (301008) with a deviation rate of 9.27% and a daily increase of 13.58% [2] Trading Activity - The trading turnover rate for Runhe Materials was 12.71%, while Hengshuai Co., Ltd. had a turnover rate of 15.77% [2] - Other stocks with notable performance include: - Zhongyou Technology (688648) with a deviation rate of 9.19% and a daily increase of 12.92% [2] - Rujing Technology (301525) with a deviation rate of 8.70% and a daily increase of 13.83% [2]

Group 1 - The liquid cooling server sector continues to rise, with companies such as Runhe Materials, Cambridge Technology, and Zhongshi Technology reaching new highs during trading [1] - Longpan Technology, Yinlun Co., Chunzhi Technology hit the daily limit up, indicating strong market interest and investor confidence [1] - Other companies like Dayuan Pump Industry, Keda, Jieban Technology, Gaolan Co., and Shuguang Digital Innovation also experienced gains, reflecting a broader positive trend in the industry [1]

格隆汇9月15日丨润禾材料(300727.SZ)在互动平台表示，公司冷却液具备广泛的兼容性、强换热性能、 高能效等特点，可用于数据中心应用领域。 ...

Core Viewpoint - The demand for AI data centers is increasing, driven by high heat dissipation and high energy consumption, leading to a growing need for liquid cooling solutions [2][3]. Group 1: AI Data Center Capacity and Growth - According to Semianalysis, the global AI computing center installed capacity is expected to reach 7 GW in 2024, with further growth anticipated by 2028 [1][2]. Group 2: Liquid Cooling Solutions - The two main types of liquid cooling solutions for data centers are cold plate cooling and immersion cooling [3][4]. - Cold plate cooling can be further divided into single-phase and phase-change types, with single-phase primarily using deionized water and phase-change using fluorinated fluids [3]. - Immersion cooling liquids are categorized into synthetic oils and fluorinated liquids, with synthetic oils including hydrocarbon and silicone oils, and fluorinated liquids being ideal due to their chemical stability and low dielectric constant [4]. Group 3: Recommended Companies - For cold plate cooling, recommended companies include Haohua Technology (600378.SH), Juhua Co., Ltd. (600160.SH), and Sanmei Co., Ltd. (603379.SH) [3]. - For synthetic oils, Satellite Chemical (002648.SZ) is highlighted, while for silicone oil, the recommended company is Huamao Technology (603181.SH) [4]. - For fluorinated liquids, recommended companies include Sinoma Science & Technology (300037.SZ), Juhua Co., Ltd., Hualu Group (600623.SH), and Yonghe Co., Ltd. (605020.SH) [4].

Investment Rating - The report maintains an "Overweight" rating for the basic chemical industry [6] Core Views - The basic chemical industry saw a weekly increase of 2.36% from September 8 to September 12, 2025, ranking 12th among all Shenwan first-level industries [6][12] - The report highlights the significant potential of liquid cooling solutions in data centers, with multiple domestic companies actively investing in this area [10][29] Summary by Sections Industry Overview - The basic chemical industry has shown a relative return of -3.0%, 1.2%, and 8.5% over the past month, three months, and twelve months respectively [4] - Absolute returns for the same periods are 6.2%, 17.4%, and 51.0% [5] Sub-industry - Liquid Cooling Fluids - Liquid cooling technology includes cold plate liquid cooling, immersion liquid cooling, and spray liquid cooling [14] - Cold plate liquid cooling transfers heat from high-heat components to a liquid, while immersion liquid cooling involves fully submerging servers in cooling liquid [15][16] - Fluorinated liquids are preferred in immersion cooling due to their non-flammable and stable properties [16] Company Insights - **Juhua Co., Ltd.**: Produces electronic fluorinated liquids with a capacity of 4,000 tons/year for hydrogen fluoride ether D series and 5,000 tons/year planned for perfluoropolyether [8][19] - **New Chemical Co.**: Completed capacity construction for hydrogen fluoride ether at 3,000 tons/year and perfluoropolyether at 2,500 tons/year, focusing on data center cooling applications [20] - **Dongyang Sunshine**: Integrates liquid cooling components and materials, forming strategic partnerships for global market promotion [21][22] - **Runhe Materials**: Develops low-cost, high-performance cooling solutions for energy storage and data centers [23][24] - **Changlu Chemical New Materials**: Established production facilities for perfluoropolyether and hydrogen fluoride ether, with plans for further capacity expansion [25] - **Zhejiang Noah Fluorine Chemical**: Developed multiple immersion fluorinated cooling liquid products for various cooling technologies [25] Investment Recommendations - The report suggests focusing on Juhua Co., Ltd. due to its strong positioning in the liquid cooling market [10][29]

Company Overview - Runhe Materials Co., Ltd. is located in Ningbo, Zhejiang Province, established on December 6, 2000, and listed on November 27, 2017. The company specializes in the research, production, and sales of organic silicon deep processing products and textile printing and dyeing auxiliaries [1][2]. Financial Performance - For the first half of 2025, Runhe Materials achieved operating revenue of 679 million yuan, representing a year-on-year growth of 4.16%. The net profit attributable to the parent company was 57.75 million yuan, showing a significant year-on-year increase of 38.61% [2]. - Since its A-share listing, the company has distributed a total of 171 million yuan in dividends, with 87.45 million yuan distributed over the past three years [3]. Stock Performance - As of September 12, Runhe Materials' stock price increased by 2.17% to 42.30 yuan per share, with a total market capitalization of 7.608 billion yuan. The stock has risen 64.44% year-to-date, with a 0.76% increase over the last five trading days, 16.30% over the last 20 days, and 66.01% over the last 60 days [1]. - The company has a total of 12,400 shareholders as of June 30, which is an increase of 26.03% from the previous period, with an average of 13,012 circulating shares per shareholder, up by 6.03% [2]. Business Segmentation - The main business revenue composition of Runhe Materials includes organic silicon deep processing products at 64.53%, textile printing and dyeing auxiliaries at 35.32%, and other products at 0.15% [1]. - The company is categorized under the Shenwan industry classification as basic chemicals - chemical products - organic silicon, and is associated with concepts such as liquid cooling, medical devices, share buybacks, small-cap stocks, and semiconductors [1].

Core Viewpoint - The financial performance of Runhe Materials (300727.SZ) appears strong with a 39% year-on-year increase in net profit for the first half of 2025, but underlying issues such as significant shareholder sell-offs, rising inventory, high accounts receivable, and declining R&D investment raise concerns about the company's operational challenges and future growth prospects [1][4][12]. Shareholder Actions - The controlling shareholders of Runhe Materials have initiated a plan to reduce their holdings by up to 5.396 million shares, representing 3% of the total share capital, amidst concerns of "high-level cashing out" as the stock price approaches historical highs [2][3]. - This is not the first instance of shareholder reduction; previous reductions occurred in November 2024, indicating a pattern of selling during peak stock performance [2][3]. Financial Performance - For the first half of 2025, Runhe Materials reported a revenue of 679 million yuan, a 4% increase year-on-year, and a net profit of 57.75 million yuan, reflecting a 39% growth [4][12]. - However, the quality of earnings is questioned due to rising inventory and accounts receivable, which may indicate issues with product sales or excess stock [4][6]. Inventory and Accounts Receivable - As of June 2025, the company's inventory reached 151 million yuan, a 38% increase year-on-year, significantly outpacing revenue growth, suggesting potential overstocking or sales difficulties [4][6]. - Accounts receivable also rose, reaching 332 million yuan by June 2025, which is 57.5% of the net profit for the same period, indicating potential liquidity issues and risks of bad debts [9][12]. R&D Investment - R&D expenses for the first half of 2025 were 25.49 million yuan, a 7.3% decline year-on-year, marking the lowest proportion of revenue dedicated to R&D in three years at 3.75% [10][12]. - The declining trend in R&D investment raises concerns about the company's ability to innovate and compete in the high-end organic silicon market, where continuous investment in technology is crucial [10][12]. Market Sentiment - The current price-to-earnings ratio of 64 times is at a historical high, and the simultaneous actions of major shareholders reducing their stakes while the company seeks to raise funds through bond issuance have led to skepticism regarding the company's future outlook [12].

宁波润禾高新材料科技股份有限公司 关于使用部分闲置募集资金进行现金管理的进展公告 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。 证券代码：300727 证券简称：润禾材料 公告编号：2025-115 为合理利用闲置募集资金、提高募集资金使用效率，宁波润禾高新材料科技 股份有限公司（以下简称"润禾材料"、"公司"）于 2025 年 3 月 27 日召开了 第三届董事会第三十五次会议和第三届监事会第三十次会议，审议通过了《润禾 材料关于使用部分闲置募集资金进行现金管理的议案》，同意公司及全资子公司 在确保不影响募集资金投资项目建设和确保资金安全的情况下，使用额度不超过 人民币 0.8 亿元的闲置募集资金进行现金管理，有效期为自公司本次董事会审议 通过之日起 12 个月。在上述额度及期限内，资金可循环滚动使用。保荐机构发 表了同意的核查意见。具体内容详见公司于 2025 年 3 月 28 日在巨潮资讯网 （www.cninfo.com.cn）披露的《润禾材料关于使用部分闲置募集资金进行现金 管理的公告》（公告编号：2025-040）。 近期，公司全资子公司九江润禾 ...

Group 1 - The liquid cooling server concept saw significant gains on September 11, with Industrial Fulian hitting the daily limit and reaching a historical high, with a total market value exceeding 1.17 trillion yuan [1] - Previously, Chunzhong Technology achieved three consecutive trading limits, while Yidong Electronics, Fangsheng Shares, and Jiechuan Intelligent all rose over 10% [1] - Other companies such as Shuguang Digital Innovation, Keshida, Runhe Materials, and Dayuan Pump Industry also experienced notable increases in their stock prices [1]