东海证券近日发布基础化工行业周报：上周（2025/10/09~2025/10/10），沪深300指数下 跌0.51%，申万石油石化指数上涨2.99%，跑赢大盘3.50pct，申万基础化工指数上涨1.99%， 跑赢大盘2.50pct涨幅在全部申万一级行业中分别位列第5位、第8位。子板块涨跌幅，涨幅前 五的为：磷肥及磷化工：6.26%；钛白粉：4.23%；油品石化贸易：4.23%；复合肥： 3.42%；涤纶：3.07%。 以下为研究报告摘要： 投资要点： 反内卷释放政策信号：9月28日，国家发展和改革委员会、市场监管总局发布《关于治 理价格无序竞争维护良好市场价格秩序的公告》，提出在保护经营者自主定价权的前提下， 采取调研评估行业平均成本、提供定价参考、加强价格监管、规范招投标行为等措施，引导 经营者共同维护行业公平竞争秩序。 行业基础数据跟踪：上周（2025/10/09~2025/10/10），沪深300指数下跌0.51%，申万石 油石化指数上涨2.99%，跑赢大盘3.50pct，申万基础化工指数上涨1.99%，跑赢大盘2.50pct 涨幅在全部申万一级行业中分别位列第5位、第8位。子板块涨跌幅，涨幅前五的为： ...

[Table_Reportdate] 2025年10月14日 [table_invest] 超配 行 业 周 报 [证券分析师 Table_Authors] 张晶磊 S0630524090001 zjlei@longone.com.cn 证券分析师 谢建斌 S0630522020001 xjb@longone.com.cn [table_stockTrend] -19% -9% 0% 10% 20% 30% 39% 24-10 25-01 25-04 25-07 申万行业指数:基础化工(0722) 沪深300 [相关研究 table_product] 1.制冷剂价格上行，萤石及氢氟酸行 情回暖——氟化工行业月报 2.石化化工稳增长方案出台，关注细 分行业"反内卷"进展——基础化工 行业周报（2025/9/22-2025/9/28） 3.行业高景气持续，企业盈利能力提 升——氟化工行业月报 [Table_NewTitle 反内卷政策释放信号 ] ，维护市场价格秩 序 ——基础化工行业周报（2025/10/06-2025/10/12） [table_main] 投资要点： ➢ 投资建议： 供给侧有望结构性优化，挑 ...

Group 1: Industry Performance - The chemical raw materials index increased by 0.40%, and the chemical machinery index rose by 1.28%, while the remaining five indices in the petroleum and chemical sectors declined [1] - The chemical pharmaceutical index decreased by 2.36%, and the pesticide and fertilizer index fell by 1.63% [1] - The petroleum processing index dropped by 0.20%, the petroleum extraction index remained stable, and the petroleum trade index decreased by 1.32% [1] Group 2: Commodity Prices - International crude oil prices saw a significant increase, with West Texas Intermediate crude oil futures settling at $65.72 per barrel, up 4.85% from September 19, and Brent crude oil futures at $70.13 per barrel, up 5.17% [1] - The top five rising petrochemical products included liquid chlorine up by 37.07%, paraquat mother liquid up by 6.25%, lithium battery electrolyte up by 5.71%, hydrogen peroxide up by 4.64%, and fluorite 97 wet powder up by 4.09% [1] - The top five declining petrochemical products included vitamin E down by 7.07%, sulfuric acid down by 6.54%, vitamin B6 down by 5.83%, methyl acrylate down by 5.59%, and dichloromethane down by 3.83% [1] Group 3: Capital Market Performance - The top five rising listed chemical companies were Lanfeng Biochemical up by 61.16%, Shuangwei New Materials up by 44.81%, Huarsoft Technology up by 31.83%, United Chemical up by 27.93%, and Asia-Pacific Industry up by 27.66% [2] - The top five declining listed chemical companies were Jinpu Titanium down by 23.15%, Hanwei Technology down by 18.80%, Sanwei Co. down by 14.29%, Hongda Co. down by 13.56%, and Bingyang Technology down by 11.93% [2]

Investment Rating - The report gives an "Overweight" rating for the chemical industry [1] Core Viewpoints - The supply side is expected to undergo structural optimization, with a focus on selecting elastic and advantageous sectors. Domestic policies frequently emphasize supply-side requirements, while rising raw material costs and capacity exits in Europe and the U.S. have impacted overseas chemical companies. In the long term, China's chemical industry has a clear competitive advantage, with significant cost benefits and technological advancements, allowing Chinese companies to fill gaps in the international supply chain [6][16] Summary by Sections 1. Industry News and Event Commentary - Prices of third-generation refrigerants continue to rise, indicating a high level of industry prosperity. The supply of refrigerants is constrained by quotas, and increased downstream demand has significantly optimized the supply-demand balance. Prices for R32, R134a, and R125 have increased by 44.19%, 22.35%, and 8.33% respectively this year. Major refrigerant producers have seen substantial profit growth, with companies like Juhua Co., Sanmei Co., and Yonghe Co. reporting net profit increases of 145.84%, 159.22%, and 140.82% year-on-year in the first half of 2025 [15][8] 2. Chemical Sector Weekly Performance - For the week of September 15-21, 2025, the CSI 300 index fell by 0.44%, while the Shenwan Chemical Index dropped by 1.33%, underperforming the market by 0.89 percentage points. The Shenwan Oil and Petrochemical Index decreased by 1.99%, also underperforming the market [18][21] 3. Key Product Price Trends - The top price increases for the week included butyl acrylate (3.86%), bisphenol A (3.75%), and phenol (3.31%). Conversely, the largest price declines were seen in nitric acid (-3.11%), liquid ammonia (-2.71%), and caustic soda (-2.44%) [29][31]

Investment Rating - The report maintains a recommendation for the chemical industry, indicating a positive outlook for the sector [6]. Core Viewpoints - The report highlights significant price increases in chloromethane and isooctyl acrylate, suggesting a focus on new materials with substantial market potential [1]. - It recommends attention to Jiangshan Co., which is expected to benefit from rising glyphosate prices and has promising developments in innovative drugs [5]. - The DVA market is noted for its vast potential, with Daon Co. making key advancements in DVA products [5]. Industry Performance - In the third week of September, the chemical sector (Shenwan) declined by 1.33%, slightly underperforming the Shanghai A-share index, which fell by 1.31% [2][13]. - The dynamic PE for the chemical sector stands at 22.54 times, above the average PE of 12.20 times since 2015 [2][13]. Sub-industry Trends - Among the 31 sub-industries, 8 experienced gains while 23 saw declines. The top five gaining sub-industries included civil explosives (+7.72%) and modified plastics (+7.67%), while the top five declining sub-industries included carbon black (-5.25%) and other chemical raw materials (-4.74%) [3][17]. Chemical Prices and Spreads - The report lists the top five products with the highest weekly price increases: liquid chlorine (+22.93%), monochloromethane (+19.44%), and isooctyl acrylate (+7.47%) [4][22]. - The report also details the top five products with the largest price spread increases, including aniline spread (+17.56%) and ethylene spread (+13.17%) [4][34]. Inventory Changes - Significant inventory changes were noted, with ethylene glycol increasing by 25.67% and polyester chips by 11.98%, while epoxy propane saw a decrease of 10.44% [5][52].

Group 1: Chemical Sector Performance - The chemical raw materials index decreased by 1.21%, while the chemical machinery index increased by 2.90% [1] - The pharmaceutical index fell by 1.36%, and the pesticide and fertilizer index dropped by 2.50% [1] - The oil processing index declined by 2.22%, the oil extraction index decreased by 3.17%, and the oil trading index fell by 1.46% [1] Group 2: Oil Prices - As of September 19, the WTI crude oil futures settled at $62.68 per barrel, down 0.02% from September 12 [1] - The Brent crude oil futures settled at $66.68 per barrel, down 0.46% from the previous Friday [1] Group 3: Petrochemical Product Price Changes - The top five petrochemical products with price increases were liquid chlorine (up 22.93%), isooctyl acrylate (up 7.47%), acrylic acid (up 5.04%), calcium carbide (up 4.94%), and MMA (up 4.51%) [1] - The top five petrochemical products with price decreases were vitamin E (down 10.00%), epichlorohydrin (down 6.44%), sulfuric acid (down 4.94%), p-nitrochlorobenzene (down 4.62%), and dichloromethane (down 3.64%) [1] Group 4: Capital Market Performance of Chemical Companies - The top five performing listed chemical companies were Kaimete Gas (up 28.62%), Hongda Explosive (up 22.93%), Sanwei Co. (up 22.53%), Zhongshi Technology (up 21.57%), and Jinghua New Materials (up 18.94%) [2] - The bottom five performing listed chemical companies were Runyang Technology (down 11.48%), Lafang Cosmetics (down 10.43%), Wankai New Materials (down 10.42%), Jiaao Environmental Protection (down 10.25%), and Shilong Industrial (down 9.41%) [2]

Financial Performance - The company reported a decline in net profit for the first half of 2025 due to a decrease in product prices, which fell more than the reduction in raw material costs [3] - Despite the profit decline, production and sales volume increased year-on-year [3] Cash Flow and Financial Stability - The company maintains a strong cash flow, supported by a sales model of "payment before delivery" and a solid asset-liability ratio [2] - The company holds an AAA credit rating, indicating strong fundraising capabilities [2] Market Strategy - The company actively explores overseas markets to mitigate domestic competition, with exports of products like formic acid and dichloromethane ranking among the top in the country [3] - Plans to enhance the foreign trade team and expand market channels for further international growth [3] Corporate Governance and Shareholder Rights - The company has established a robust internal management and control system to protect shareholder rights, including measures for information disclosure and voting rights during shareholder meetings [4] - Independent directors conduct thorough reviews of related party transactions to safeguard minority investors' interests [4] Product Development and Market Adaptation - The company aims to adjust its product structure in response to growing demand in emerging sectors like renewable energy and photovoltaics, focusing on high-quality, low-carbon development [4] - Plans to develop high-end specialty materials and extend existing product lines downstream to enhance market competitiveness [4] Operational Efficiency - The company emphasizes meticulous management of production processes to optimize resource use and reduce costs, ensuring stable operations amid price fluctuations [4] - Integration of procurement, production, sales, logistics, and finance is key to maximizing the value of the industrial chain [4]

Core Viewpoint - The financial performance of the company in the first half of 2025 shows a decline in net profit due to falling product prices and increased competition in the industry [1][4]. Financial Performance - The company's revenue for the first half of 2025 was 14.739 billion yuan, a year-on-year increase of 4.98% [1]. - The net profit attributable to shareholders was 763 million yuan, a year-on-year decrease of 34.81% [1]. - The net profit after deducting non-recurring items was 687 million yuan, a year-on-year decrease of 43.02% [1]. - In Q2 2025, the operating revenue was 7.449 billion yuan, a quarter-on-quarter increase of 2.18%, while the net profit was 351 million yuan, a quarter-on-quarter decrease of 15.10% [1]. Product Performance - Revenue from the chemical new materials, basic chemicals, fertilizers, and other businesses for the first half of 2025 were 9.738 billion, 2.964 billion, 1.777 billion, and 260 million yuan respectively, with year-on-year changes of 2.39%, 5.14%, 22.36%, and 0.74% [1]. - The gross profit margins for these segments were 11.43%, 22.12%, 5.84%, and 12.03%, with year-on-year changes of -9.77, 8.79, -1.58, and 2.03 percentage points respectively [1]. Price Trends - Major product prices, including polycarbonate, nylon 6, polyols, and organic silicon, have shown varying degrees of decline due to intensified industry competition and weak downstream demand [1][4]. - In Q3 2025, formic acid prices have rebounded significantly, with a reported price of 3,360 yuan per ton as of August 26, 2025, reflecting a 46.08% increase from the end of Q2 2025 [4]. Cost and Expenses - Sales expenses increased by 77.35% in the first half of 2025, with a sales expense ratio of 0.26%, up by 0.10 percentage points year-on-year [2]. - Financial expenses rose by 10.25%, with a financial expense ratio of 0.62%, an increase of 0.03 percentage points year-on-year [2]. - Management expenses decreased by 11.77%, with a management expense ratio of 1.65%, down by 0.31 percentage points year-on-year [2]. Cash Flow and Working Capital - The net cash flow from operating activities was 3.192 billion yuan, a year-on-year increase of 37.51% [3]. - The net cash flow from investing activities was -813 million yuan, a year-on-year increase of 15.71% [3]. - The net cash flow from financing activities was -2.411 billion yuan, a year-on-year decrease of 90.05% [3]. - The ending cash and cash equivalents balance was 698 million yuan, a year-on-year increase of 45.48% [3]. - Accounts receivable decreased by 57.64%, with an increase in accounts receivable turnover from 248.92 times in 2024 to 375.24 times [3]. Future Outlook - The company is expected to achieve revenues of 32.644 billion, 34.771 billion, and 37.592 billion yuan for 2025-2027, with year-on-year growth rates of 9.7%, 6.5%, and 8.1% respectively [5]. - The net profit attributable to shareholders is projected to be 1.844 billion, 2.434 billion, and 3.223 billion yuan for the same period, with year-on-year changes of -9.1%, 32.0%, and 32.4% respectively [5].

Industry Overview - The chemical sector's overall performance ranked 15th this week (2025/08/18-2025/08/22) with a fluctuation of 2.86%, indicating a mid-range position in the market. The Shanghai Composite Index rose by 3.49%, while the ChiNext Index increased by 5.85%, showing that the chemical sector underperformed by 0.63 percentage points against the Shanghai Composite and 3.00 percentage points against the ChiNext [2][3]. Key Trends and Recommendations - The chemical industry is expected to continue its differentiated trend in 2025, with a focus on synthetic biology, pesticides, chromatography media, sweeteners, vitamins, light hydrocarbon chemicals, COC polymers, and MDI [2]. - Synthetic biology is anticipated to reach a pivotal moment, driven by energy structure adjustments. Traditional chemical companies will face competition based on energy consumption and carbon tax costs, with a shift towards green energy solutions and larger overseas markets [2]. - The quota policy for third-generation refrigerants is set to be implemented, leading to a high-growth cycle for these products. The supply of second-generation refrigerants will decrease, while demand remains stable due to market expansions in Southeast Asia [3]. - Electronic specialty gases are crucial for the electronics industry, with high technical barriers and value. The domestic market is experiencing a mismatch between rapid upgrades in wafer manufacturing and insufficient high-end electronic specialty gas capacity, presenting significant domestic substitution opportunities [4]. - The trend towards light hydrocarbon chemicals is becoming global, with a shift from heavy naphtha to lighter raw materials like ethane and propane. This transition is characterized by lower carbon emissions and energy consumption, aligning with global carbon neutrality goals [5]. - The industrialization of COC polymers is accelerating, with domestic companies making breakthroughs in production. The shift of downstream industries to domestic sources is enhancing the willingness for local substitution [6]. - Potash fertilizer prices are expected to rebound as major suppliers reduce output, leading to a decrease in inventory pressure and an increase in demand from farmers [7][8]. - The MDI market is characterized by oligopoly, with demand steadily increasing due to the expansion of polyurethane applications. The supply landscape is expected to improve as major producers maintain low production levels [9]. Price Tracking - The top five price increases this week included nitric acid (6.67%), PTA (4.62%), and sulfur (3.57%), while the largest declines were seen in liquid chlorine (-866.67%) and NYMEX natural gas futures (-7.48%) [10]. - A total of 153 companies in the chemical industry had their production capacities affected this week, with 12 new maintenance activities and 5 restarts reported [11].

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 ...