证券代码：603379 证券简称：三美股份 公告编号：2025-055 浙江三美化工股份有限公司 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本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、准确性和完整性承担法律责任。 重要内容提示： 一、 召开会议的基本情况 (四) 现场会议召开的日期、时间和地点 召开的日期时间：2025 年 9 月 8 日 14 点 30 分 召开地点：浙江省武义县青年路 218 号公司办公楼会议室 (五) 网络投票的系统、起止日期和投票时间 网络投票系统：上海证券交易所股东会网络投票系统 网络投票起止时间：自2025 年 9 月 8 日至2025 年 9 月 8 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 网投票平台的投票时间为股东会召开当日的 9:15-15:00。 股东会召开日期：2025 年 9 月 8 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 (一) 股东会类型和届次 ...

Group 1 - The chemical sector is experiencing a strong upward trend, with the Chemical ETF (516020) showing a price increase of 1.15% as of the latest report [1] - The Chemical ETF has a significant portion of its holdings in large-cap stocks, including Wanhu Chemical and Salt Lake Shares, allowing investors to capitalize on strong market leaders [4] - Key stocks in the chemical sector, such as Hanjin Technology and Hongda Shares, have seen substantial gains, with Hanjin Technology hitting the daily limit and Hongda Shares rising over 5% [1][3] Group 2 - Zhongyuan Securities indicates that the chemical industry is moving towards a phase of recovery as the issue of overcapacity and excessive competition is expected to ease [3] - Debon Securities notes that the current cycle of chemical capacity expansion is nearing its end, with capital expenditure and fixed asset growth rates showing a downward trend [3] - Donghai Securities highlights that the domestic chemical industry is likely to see structural optimization, with significant cost advantages and technological advancements positioning Chinese companies to fill gaps in the global supply chain [3]

Group 1 - The chemical sector experienced a sudden surge, with stocks such as Hangjin Technology hitting the daily limit, and Hongda Co. and Juhua Co. seeing significant increases of over 6% and 4% respectively, while the chemical ETF (516020) rose by 1.15% [1] - The recent "anti-involution" trend has benefited the chemical sector, attracting substantial capital inflows, with the chemical ETF (516020) seeing a net subscription of nearly 140 million yuan over the last five trading days [1][3] - As of August 21, the social security fund held 129 stocks with a total market value of 33.2 billion yuan, with the chemical sector being the largest holding at 6 billion yuan [3] Group 2 - The chemical industry is expected to see a phase of improvement as the "anti-involution" measures are implemented, alleviating issues of overcapacity and excessive competition [3][4] - The chemical ETF (516020) is currently at a relatively low price-to-book ratio of 2.17, indicating a favorable long-term investment opportunity [3] - Analysts suggest that the "anti-involution" trend will be a key policy focus through 2025, leading to a more orderly competitive environment in the chemical sector and potential recovery in profitability [4] Group 3 - The chemical ETF (516020) tracks the CSI segmented chemical industry index, covering various sub-sectors, with nearly 50% of its holdings in large-cap leading stocks [4] - The ETF has shown strong performance, with significant net subscriptions indicating investor confidence in the sector's recovery [3][4] - The potential for increased dividend yields and improved cash flow in the chemical sector is highlighted, suggesting a shift from being a "cash-consuming" industry to a "cash-generating" one [4]

Investment Rating - The report maintains a "Positive" investment rating for the industry [12] Core Insights - The cooling methods for data centers are transitioning from air cooling to liquid cooling due to the increasing power consumption of chips and single cabinets. Liquid cooling technologies offer significant advantages such as higher cooling efficiency, lower energy consumption, and reduced total cost of ownership (TCO) [6][19] - The report highlights the growth of liquid cooling solutions, particularly single-phase cold plate cooling, which currently accounts for over 90% of liquid cooling applications in data centers. The technology is maturing, and small-scale commercial applications are being promoted [6][19] - The report suggests that various cooling media will emerge as opportunities in the liquid cooling market, with a focus on companies involved in the production of these cooling liquids [10][52] Summary by Sections Data Center Cooling Transition - The report discusses the shift to liquid cooling as a response to the rising power density of chips, particularly in AI servers, which are pushing the limits of traditional air cooling methods. The maximum power density for traditional air-cooled cabinets is around 20 kW, while future designs may reach up to 600 kW [7][25][29] Cooling Media Opportunities - Different cooling media are being explored for single-phase and two-phase cooling solutions. For single-phase cooling, common media include ethylene glycol solutions and propylene glycol solutions, while two-phase solutions primarily use refrigerants and low-boiling point fluids [8][41] - The report emphasizes the need for cooling liquids that meet specific technical requirements, such as excellent insulation properties, low surface tension, and high thermal conductivity [9][42] Investment Recommendations - The report recommends focusing on companies involved in the liquid cooling media industry, including: - Juhua Co., Ltd. (fluorinated liquids + refrigerants) - Sinoma Science & Technology (fluorinated liquids) - Yonghe Technology (fluorinated liquids + refrigerants) - Haohua Technology (fluorinated liquids + refrigerants) - Sanmei Co., Ltd. (refrigerants) - Xin'an Chemical (silicone oil) - Xingfa Group (silicone oil) [10][52]

Group 1 - The core viewpoint of the news is that Sanmei Co., Ltd. (三美股份) has shown significant growth in its latest financial performance, with a notable increase in revenue and net profit [1] - As of August 19, 2025, the company's stock price closed at 53.91 yuan, reflecting a decrease of 1.3% [1] - The company's total revenue for the first quarter of 2025 was 1.212 billion yuan, representing a year-on-year growth of 26.42% [1] - The net profit attributable to shareholders for the same period was 401 million yuan, showing a remarkable year-on-year increase of 159.59% [1] - The company's current ratio is 6.595, quick ratio is 5.719, and debt-to-asset ratio is 11.84%, indicating strong liquidity and low leverage [1] Group 2 - Sanmei Co., Ltd. has made investments in 13 companies and participated in 113 bidding projects [2] - The company holds 41 trademark registrations and 67 patents, showcasing its commitment to intellectual property [2] - Additionally, Sanmei has obtained 104 administrative licenses, reflecting its operational compliance and regulatory engagement [2]

Group 1 - The PVDF concept sector experienced a decline of 1.53% [1] - Dongyangguang saw a drop of 4.56% [1] - Sanmei Co. decreased by 2.69% [1] - Huitian New Materials fell by 1.93% [1]

Investment Rating - The report indicates a positive investment outlook for the basic chemical industry, particularly for refrigerants and glyphosate, which are experiencing high demand and price increases [1][5]. Core Insights - The glyphosate market is showing strong demand, with prices rising to 26,699 CNY/ton, an increase of 300 CNY/ton from the previous week, while the profit margin has also improved [3][17]. - Refrigerant prices, particularly for R134a and R32, have increased due to steady demand driven by high summer temperatures and supply constraints from quota policies [4][27]. - The polyester filament and viscose staple fiber markets are witnessing slight price rebounds as manufacturers reduce production to restore profitability [4][29]. Summary by Sections (1) Key Chemical Product Price Tracking - Glyphosate prices have risen to 26,699 CNY/ton, with a weekly increase of 300 CNY/ton, while production has decreased by 16.24% to 0.7 million tons [3][17]. - Prices for polyester filament (POY, FDY, DTY) have increased slightly, with POY averaging 6,775 CNY/ton, up 125 CNY/ton [4][29]. (2) Polyurethane: MDI and TDI Price Trends - MDI prices have decreased due to weak demand from end-users, with the average price for polymer MDI in South China at 15,700 CNY/ton, down 1.88% [15]. - TDI prices have also dropped, with the average price in East China at 16,250 CNY/ton, down 2.99% [15]. (3) Agricultural Chemicals: Glyphosate Price Increase - Glyphosate prices continue to rise, supported by good downstream demand and tight supply, with a current price of 26,699 CNY/ton [17]. - The profit margin for glyphosate has increased to 3,725.1 CNY/ton, reflecting a rise of 317.9 CNY/ton from the previous week [17]. (4) Fluorochemicals: Refrigerant Price Increases - Prices for R134a and R32 have increased due to strong seasonal demand, with R134a at 51,000 CNY/ton and R32 at 57,500 CNY/ton [27]. - The supply of refrigerants is constrained by quota policies, leading to a tight market situation [27]. (5) Tire Industry: Raw Material Price Trends - Prices for natural rubber and synthetic rubber have shown slight increases, with natural rubber at 15,017 CNY/ton, up 1.24% [29]. - The prices of accelerators and anti-aging agents have also increased, indicating a positive trend in the tire industry [29].

Industry Investment Rating - The industry investment rating is "Outperform" and is maintained [2] Core Views - The report highlights strong performance in the PEEK and liquid cooling sectors, with key companies such as Wanhua Chemical, Yangnong Chemical, and Hongsheng Real Estate being recommended for investment. Additionally, the report emphasizes the focus on pesticide anti-involution lines, particularly in Limin Co., Ltd. [5][6] - The basic chemical sector has shown a weekly increase of 2.46%, outperforming the CSI 300 index, which increased by 2.37% [6][19] Summary by Relevant Sections Industry Overview - The closing index for the basic chemical sector is at 3908.04, with a weekly high of 3908.04 and a low of 2687.54 [2] - Year-to-date performance shows the basic chemical index has decreased by 13.10%, while the CSI 300 index has increased by 24.10%, indicating a lag of 10.99 percentage points [19] Key Companies and Investment Ratings - Wanhua Chemical: Buy, closing price 63.0, market cap 197.19 billion, EPS 137.4, PE 14.4 [12] - Yangnong Chemical: Buy, closing price 64.9, market cap 26.33 billion, EPS 13.8, PE 19.0 [12] - Hualu Hengsheng: Buy, closing price 24.5, market cap 51.93 billion, EPS 40.5, PE 12.8 [12] - Juhua Co., Ltd.: Not rated, closing price 28.5, market cap 76.83 billion, EPS 42.6, PE 18.0 [12] Weekly Stock Performance - Top gainers include: - Kaimete Gas: +34.73% - Weike Technology: +31.54% - Xinhang New Materials: +31.43% [7][19] - Top losers include: - Zhizheng Co., Ltd.: -13.04% - Donghua Energy: -11.49% - Renzhi Co., Ltd.: -10.00% [8][22] Commodity Price Movements - Significant price increases were noted in: - Liquid chlorine: +29.05% - Industrial-grade lithium carbonate: +19.42% - Battery-grade lithium carbonate: +17.48% [9][25] - Price declines were observed in: - Methyl chloride: -10.64% - Butanone: -8.91% - Organic silicon DMC: -8.00% [10][27]

Investment Rating - The report maintains a positive outlook on the chemical industry, particularly focusing on heat dissipation materials and helium gas from Russia, as well as incidents affecting Zhongkun Chemical [3][4]. Core Insights - The macroeconomic judgment indicates that non-OPEC countries are expected to lead an increase in oil production, with a significant overall supply growth anticipated. Global GDP growth is projected at 2.8%, with stable oil demand despite some slowdown due to tariffs [3][4]. - The trend towards liquid cooling in AI servers is highlighted, with significant power requirements leading to increased demand for specialized cooling materials. The report suggests monitoring companies like Bayi Shikong, New Era, Dongyangguang, Yonghe Co., and Juhua Co. [3][4]. - Recent incidents affecting helium supply in Russia and a fire at Zhongkun Biotech are expected to positively impact the helium supply-demand balance, with recommendations to focus on companies like Guanggang Gas, Huate Gas, and Jinhong Gas [3][4]. Summary by Sections Industry Dynamics - Oil supply is expected to increase significantly, with non-OPEC countries leading the way. Global oil demand remains stable, but growth may slow due to tariff impacts. Coal prices are expected to stabilize at low levels, while natural gas export facilities in the U.S. may reduce import costs [4][5]. Chemical Sector Configuration - The report notes a decrease in oil prices and an increase in coal prices, with industrial product PPI showing a year-on-year decline of 3.6%. Manufacturing PMI recorded at 49.3%, indicating a slight contraction in manufacturing activity [3][5]. Investment Analysis - Traditional cyclical investments should focus on leading companies in their respective sectors, including Wanhu Chemical, Hualu Hengsheng, and Baofeng Energy. Growth sectors include semiconductor materials and OLED panel materials, with specific companies highlighted for their potential [3][4][17].

Investment Rating - The investment rating for the chemical raw materials industry is "Positive" (maintained) [1] Core Views - The fluorochemical industry is entering a long-term prosperity cycle, with significant growth potential across various segments, including refrigerants and high-end fluorinated materials [23][24] - The market for fluorochemicals is characterized by a tight supply-demand balance, with strong price support and a bullish sentiment among industry players [22][24] Summary by Sections Industry Overview - The fluorochemical index increased by 7.45% during the week of August 11-15, outperforming the Shanghai Composite Index by 5.75% [6][27] - The average price of 97% wet fluorite reached 3,207 CNY/ton, up 1.33% from the previous week, while the average for August was 3,175 CNY/ton, down 10.52% year-on-year [19][35] Fluorite Market - The fluorite market is experiencing a price rebound, supported by tight supply and a strong buying sentiment, although transaction volumes are slowing [20][36] - Regional price variations exist, with southern markets showing stronger price increases compared to the north, where trading activity is more cautious [20][36] Refrigerant Market - As of August 15, prices for various refrigerants showed upward trends, with R32 priced at 57,500 CNY/ton, R134a at 51,000 CNY/ton, and R22 at 35,500 CNY/ton [21][25] - The refrigerant market is expected to maintain its upward price trajectory due to seasonal demand and supply constraints, with a shift towards essential purchasing expected in the future [22][24] Company Performance - Notable companies such as Dongyangguang and Yonghe Co. reported significant revenue growth in their 2025 H1 financial results, with Dongyangguang achieving a revenue of 7.124 billion CNY, up 18.48% year-on-year [10] - The stock performance of fluorochemical companies has been strong, with all tracked stocks in the sector rising during the week, led by Zhongxin Fluorine Materials with a 19.11% increase [29][34] Recommendations - Recommended stocks include Jinshi Resources, Juhua Co., Sanmei Co., and Haohua Technology, with other beneficiaries being Dongyangguang, Yonghe Co., and Dongyue Group [11][24]