证券代码：603379 证券简称：三美股份 公告编号：2025-056 浙江三美化工股份有限公司 关于召开 2025 年半年度业绩说明会的公告 本次投资者说明会以网络互动形式召开，公司将针对 2025 年半年度的经营 成果及财务指标的具体情况与投资者进行互动交流和沟通，在信息披露允许的范 围内就投资者普遍关注的问题进行回答。 二、说明会召开的时间、地点 1、会议召开时间：2025 年 9 月 4 日（星期四）下午 15:00-16:00 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： 会议召开时间：2025 年 9 月 4 日（星期四）下午 15:00-16:00 会 议 召 开 地 点 ： 上 海 证 券 交 易 所 上 证 路 演 中 心 （ 网 址 ： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心网络互动 投资者可于 2025 年 8 月 28 日（星期四）至 9 月 3 日（星期三）16:00 前登录上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 （ ...

证券代码：603379 证券简称：三美股份 公告编号：2025-053 浙江三美化工股份有限公司 关于为参股公司提供担保暨关联交易的公告 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： 担保对象及基本情况 担 保 对 象 被担保人名称 重庆市新美合科技有限公司 被担保人关联关系 □控股股东、实际控制人及其控制 的主体 上市公司董事、监事、高级管理人 员及其控制或者任职的主体 □其他______________ 本次担保金额 10,000.00 万元 实际为其提供的担保余额 0.00 万元 是否在前期预计额度内 □是 □否 不适用：_________ 本次担保是否有反担保 □是 否 □不适用：_________ 累计担保情况 | 对外担保逾期的累计金额（万元） | 0.00 | | --- | --- | | 截至本公告日上市公司及其控股子 | 70,845.02 | | 公司对外担保总额（万元） | | | 对外担保总额占上市公司最近一期 | 11.00 | | 经审计净资产的比例（%） | | | 特别风险提 ...

证券代码：603379 证券简称：三美股份 公告编号：2025-048 浙江三美化工股份有限公司 2025 年半年度主要经营数据公告 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。 浙江三美化工股份有限公司（以下简称"公司"）根据《上海证券交易所上 市公司自律监管指引第 3 号——行业信息披露（第十三号——化工）》的有关规 定，将公司 2025 年半年度主要经营数据披露如下： 一、2025 年半年度主要产品的产量、销量及收入实现情况 | 主要产品 | 产量（吨） | 外销量（吨） | 营业收入 （万元人民币） | | --- | --- | --- | --- | | 氟制冷剂 | 88,275.68 | 61,968.21 | 241,913.27 | | 氟发泡剂 | 8,410.74 | 4,314.16 | 9,776.76 | | 氟化氢 | 68,366.59 | 32,411.82 | 27,619.82 | | 合计 | 165,053.01 | 98,694.19 | 279,309.85 | （一）主要产品 ...

证券代码：603379 证券简称：三美股份 公告编号：2025-050 浙江三美化工股份有限公司 2025 年半年度募集资金存放与实际使用情况专项报告 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。 根据《上市公司募集资金监管规则》《上海证券交易所上市公司自律监管指 引第 1 号——规范运作》以及《上海证券交易所上市公司自律监管指南第 1 号— —公告格式》的相关规定，浙江三美化工股份有限公司（以下简称"公司"或"三 美股份"）就 2025 年半年度募集资金存放与使用情况作如下专项报告： 一、募集资金基本情况 （一）实际募集资金金额和资金到位时间 经中国证监会《关于核准浙江三美化工股份有限公司首次公开发行股票的批 复》（证监许可[2019]327 号）核准，公司于 2019 年 3 月首次公开发行人民币 普通股（A 股）股票 59,733,761 股，发行价格每股人民币 32.43 元，募集资金 总额人民币 1,937,165,869.23 元，扣除主承销商长江证券承销保荐有限公司（以 下简称"长江保荐"）保荐及承销费用人民币 ...

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]

化工板块盘中突然拉升！氯碱、磷肥及磷化工、氟化工等板块部分个股涨幅居前。截至发稿，航锦科技涨停，宏达股份大涨超6%，巨化股份涨超 4%，反映化工板块整体走势的化工ETF（516020）场内价格涨幅达到1.15%。 | स्ट्रेस्ट्रे | | | 多日 1分 5分 15分 30分 60分 | 日 | = | | F9 盘前盘后 叠加 九转 圆线 工具 砂 | | 1 (3) | | ATETE O | | 516020 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | | 516020亿亿工ETFI 11:10 价 0.703 涨跌 0.008(1.15%) 均价 0.699 成交量 1914 IOPV 0.70. | | | | | | | | | | | 0.703 | | | | | | | | | | | | +0.008 +1.15% | | | | | | | | | | | | | SSE CNY 11:10:50 交易中 | | / . . ...

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]