行 华福证券 基础化工 2026 年 03 月 28 日 业 研 究 行 业 定 期 报 告 基础化工 行业周报：巴斯夫湛江一体化基地全面投产，钛 白粉价格一个月内三连涨 投资要点： 本周板块行情：本周，上证综合指数下跌 1.09%，创业板指数下跌 1.68%， 沪深 300 下跌 1.41%，中信基础化工指数上涨 3.31%，申万化工指数上涨 2.31%。 化工各子行业板块涨跌幅：本周，化工板块涨跌幅前五的子行业分别为钾 肥(11.58%)、其他化学原料(6.4%)、其他化学制品Ⅲ(3.46%)、膜材料(3.42%)、 纯碱(3.02%)；化工板块涨跌幅后五的子行业分别为涤纶(-4.04%)、橡胶制品 (-2.79%)、有机硅(-2.3%)、合成树脂(-2.09%)、磷肥及磷化工(-0.52%)。 本周行业主要动态： 巴斯夫湛江一体化基地全面投产。3 月 26 日，巴斯夫湛江一体化基地全 面投产仪式在广东湛江东海岛举行。巴斯夫湛江一体化基地是我国重化工 领域首个外商独资项目、巴斯夫集团迄今为止最大规模海外投资项目，也 是巴斯夫全球第三大一体化生产基地。项目 2019 年启动建设，2022 年首 套装置投产。 ...

证券研究报告 基础化工周报： 油价高位支撑化工品价格上涨，固体蛋氨酸价格突破40元/公斤 大化工首席证券分析师：陈淑娴，CFA 执业证书编号：S0600523020004 联系方式：chensx@dwzq.com.cn 石化化工证券分析师：周少玟 执业证书编号：S0600525070005 联系方式：zhoushm@dwzq.com.cn 2026年3月22日 请务必阅读正文之后的免责声明部分 投资要点 2 ◼ 【聚氨酯板块】本周（3月16日-3月20日，下同）纯MDI/聚合MDI/TDI行业均价为22000/16943/17771元/吨，环比分别 +1543/+443/-225元/吨，纯MDI/聚合MDI/TDI行业毛利分别为6780/2723/4264元/吨，环比分别+1605/+505/-49元/吨。 ◼ 【油煤气烯烃板块】 ①本周乙烷/丙烷/动力煤/石脑油均价分别为1228/7335/520/7177元/吨，环比分别-21/+959/+0/+628 元/吨。②本周聚乙烯均价为8810元/吨，环比-55元/吨，乙烷裂解/CTO/石脑油裂解制聚乙烯理论利润分别为2001/2539/- 2168元/吨，环比 ...

行 业 华福证券 基础化工 2026 年 03 月 22 日 研 究 行 业 定 期 报 告 基础化工 行业周报：伊朗袭击卡塔尔 17%液化天然气出口 产能受损，恒逸千亿级煤化纺项目一期开工 投资要点： 本周板块行情：本周，上证综合指数下跌 3.38%，创业板指数上涨 1.26%， 沪深 300 下跌 2.19%，中信基础化工指数下跌 9.49%，申万化工指数下跌 10.53%。 化工各子行业板块涨跌幅：本周，化工板块涨跌幅前五的子行业分别为涤 纶(-4.83%)、涂料油墨颜料(-5.56%)、橡胶制品(-5.88%)、轮胎(-6.29%)、其他 塑料制品(-6.52%)；化工板块涨跌幅后五的子行业分别为磷肥及磷化工 (-16.22%)、氯碱(-12.89%)、农药(-12.08%)、纯碱(-11.43%)、钾肥(-11.39%)。 本周行业主要动态： 伊朗袭击卡塔尔 17%液化天然气出口产能受损。卡塔尔能源大臣、卡塔 尔能源公司首席执行官萨阿德·卡阿比 19 日说，伊朗袭击导致卡塔尔 17% 的液化天然气出口产能受到影响，估计将造成约 200 亿美元年度收入损失。 据卡塔尔通讯社报道，卡阿比当天接受媒体采访 ...

证券研究报告 能源/基础材料 中东天然气供应停滞冲击化工市场 华泰研究 2026 年 3 月 20 日│中国内地 动态点评 26 年 2 月底美以伊冲突以来，由于霍尔木兹海峡管控导致尿素/LNG/甲醇/ 硫磺等关键化肥、化工原料运输受阻，且伊朗国内和波斯湾周边的多个天然 气工厂受冲突影响减停产，引发 3 月以来全球相关产品价格快速上涨。波斯 湾周边地区作为全球重要的尿素/LNG 供应来源，本次冲突恰临近北半球播 种季，我们认为国际尿素供应紧张或推涨 26 下半年国际粮食价格。中国作 为化肥需求大国，国内尿素供应充足，海外涨价影响或有限。甲醇缺口推动 亚洲甲醇、醋酸、DMF 价格上涨，并引发东南亚生物柴油涨价。硫磺缺口 中期或难以逆转，对下游钛白粉、磷酸铁锂、尼龙、磷肥等产品构成生产压 力。我们认为中国醇氨煤化工企业战略价值较高，且消耗硫磺较少的差异化 生产路径的化工品企业有望受益，美国及俄罗斯气头化工企业或亦有受益。 冲突致尿素运输受阻及天然气减产，尿素涨价将影响 26H2 全球粮价 以 25 年全球尿素贸易量估算，美以伊冲突导致全球约 1/3 经由霍尔木兹海 峡的尿素运输受阻，且波斯湾周边天然气产量下降，对 ...

Summary of Key Points from Conference Call Records Industry Overview - **Chemicals Industry**: The conference call primarily discusses the chemicals industry, focusing on the impact of geopolitical tensions on oil prices and the subsequent effects on various chemical sectors, including coal-based and gas-based chemicals, pesticides, fertilizers, vitamins, and amino acids [1][2][3]. Core Insights and Arguments - **Oil Price Dynamics**: The blockade of the Strait of Hormuz poses a risk to 20%-25% of global oil supply, leading to significant production cuts expected in 2026. If conflicts cease, oil prices may stabilize at a higher level than pre-conflict, benefiting the price differentials in coal and gas-based chemicals [1][2][3]. - **Coal-based Olefins**: When oil prices exceed $80 per barrel, a $10 increase in oil prices can enhance cost advantages by 8%-12% and increase profits by 15%-20%. Leading companies like Baofeng Energy and Hualu Hengsheng are expected to benefit from low costs and high operating rates [1][4]. - **Gas-based Chemicals**: The gas-based route, particularly for ethane, is expected to benefit significantly due to controlled raw material costs and rising prices for end products like ethylene and propylene. The price differential between ethane cracking and naphtha cracking has expanded to 4,000 RMB/ton, with projected profits for 2026 expected to reach 7.5-10 billion RMB [1][5]. - **Pesticides and Fertilizers**: The pesticide and fertilizer sectors are experiencing simultaneous increases in volume and price due to overseas restocking demands and rising agricultural product prices. The geopolitical situation threatens 10% of global potash production, while sulfur price increases support phosphate costs, benefiting phosphate exports [1][12]. - **Vitamins and Amino Acids**: The sector is witnessing a beta market trend, with energy costs and logistics disruptions leading to panic buying overseas. Prices for various vitamins have surged over 20%, benefiting companies like Meihua Biological and New Hope Liuhe [1][10]. Additional Important Insights - **PVC Industry**: The PVC industry is positioned to benefit from rising oil prices and external energy crises, with domestic calcium carbide-based PVC having a cost advantage over ethylene-based PVC. The price differential between the two processes has widened significantly, creating investment opportunities in companies with large capacities [6][7]. - **Inventory Dynamics**: Companies are expected to replenish inventories, leading to short-term demand exceeding normal levels. The supply side is constrained due to production cuts, which will impact 2026 supply significantly [3][8]. - **Investment Recommendations**: Companies with strong international distribution channels and those benefiting from global agricultural trade, such as Runfeng Co. and Andermatt, are recommended. Additionally, domestic leaders like Yangnong Chemical are expected to see price increases in their key products during the peak demand season [9][12]. Conclusion The conference call highlights the significant impact of geopolitical tensions on the chemicals industry, particularly in relation to oil prices and supply chain dynamics. Companies positioned to leverage these changes, especially in coal and gas-based chemicals, pesticides, and vitamins, are likely to see enhanced profitability and investment opportunities in the near future.

1. Report Industry Investment Rating - No information provided in the given content 2. Core View of the Report - The tense situation in the Middle East has caused high - level fluctuations in oil prices, which in turn drives up the overall prices of chemical products [1] 3. Summary by Relevant Catalogs 3.1 Basic Chemical Weekly Data Briefing 3.1.1 Related Company Performance Tracking - The Basic Chemical Index had a 0.6% increase in the past week, 5.4% in the past month, 27.1% in the past three months, 49.5% in the past year, and 19.2% since the beginning of 2026 [8] - Among related companies, the stock prices of Baofeng Energy had significant increases, with a 21.2% increase in the past week, 44.6% in the past month, 95.6% in the past three months, 112.9% in the past year, and 76.8% since the beginning of 2026; while Wanhua Chemical's stock price decreased by 9.1% in the past week [8] 3.1.2 Related Company Profit Tracking - The total market value, net profit attributable to the parent company, PE, and PB of companies such as Wanhua Chemical, Baofeng Energy, Satellite Chemical, Hualu Hengsheng, New Hope Liuhe, and Adisseo were presented, with some data being the forecasts of Soochow Securities Research Institute [8] 3.1.3 Industry Chain Data - **Polyurethane Industry Chain**: The weekly average prices of pure MDI, polymer MDI, and TDI were 20457 yuan/ton, 16500 yuan/ton, and 17996 yuan/ton respectively, with month - on - month increases of 2114 yuan/ton, 1893 yuan/ton, and 2283 yuan/ton respectively; the corresponding gross profits were 5175 yuan/ton, 2218 yuan/ton, and 4510 yuan/ton, with month - on - month changes of +576 yuan/ton, +355 yuan/ton, and - 33 yuan/ton respectively [2][8] - **Oil - Gas - Olefin Industry Chain**: The average prices of ethane, propane, steam coal, and naphtha were 1250 yuan/ton, 6376 yuan/ton, 520 yuan/ton, and 6435 yuan/ton respectively, with month - on - month increases of 44 yuan/ton, 887 yuan/ton, 0 yuan/ton, and 1211 yuan/ton respectively. The average price of polyethylene was 8865 yuan/ton, with a month - on - month increase of 1215 yuan/ton; the theoretical profits of ethane cracking, CTO, and naphtha cracking to produce polyethylene were 1997 yuan/ton, 2556 yuan/ton, and - 1426 yuan/ton respectively, with month - on - month changes of +753 yuan/ton, +793 yuan/ton, and - 383 yuan/ton respectively. The average price of polypropylene was 8910 yuan/ton, with a month - on - month increase of 1640 yuan/ton; the theoretical profits of PDH, CTO, and naphtha cracking to produce polypropylene were - 781 yuan/ton, 2798 yuan/ton, and - 1028 yuan/ton respectively, with month - on - month changes of +306 yuan/ton, +1088 yuan/ton, and - 89 yuan/ton respectively [2][8] - **Coal - Chemical Industry Chain**: The average prices of synthetic ammonia, urea, DMF, and acetic acid were 2087 yuan/ton, 1839 yuan/ton, 5114 yuan/ton, and 2767 yuan/ton respectively, with month - on - month increases of 62 yuan/ton, 21 yuan/ton, 1005 yuan/ton, and 191 yuan/ton respectively; the corresponding gross profits were 88 yuan/ton, 154 yuan/ton, 428 yuan/ton, and 383 yuan/ton, with month - on - month increases of 63 yuan/ton, 5 yuan/ton, 169 yuan/ton, and 4 yuan/ton respectively [2][10] - **Animal Nutrition Industry Chain**: The average prices of VA, VE, solid methionine, and liquid methionine were 64.9 yuan/kg, 73.1 yuan/kg, 31.6 yuan/kg, and 19.0 yuan/kg respectively, with month - on - month increases of 4.4 yuan/kg, 9.7 yuan/kg, 10.7 yuan/kg, and 3.3 yuan/kg respectively [2][10] 3.2 Basic Chemical Weekly Report 3.2.1 Basic Chemical Index Trend - No detailed data provided in the given content 3.2.2 Polyurethane Plate - Analyzed the price trends and price - spread situations of pure MDI, polymer MDI, and TDI in China [15][18] 3.2.3 Oil - Gas - Olefin Plate - Studied the price trends of MB ethane, NYMEX natural gas, domestic steam coal, naphtha, crude oil, and propane, as well as the profitability of different processes such as ethane cracking to produce PE, PDH to produce PP, coal - to - PE, coal - to - PP, and naphtha - to - PE/PP [22][23][26][28][29][34][36][37] 3.2.4 Coal - Chemical Plate - Analyzed the price and gross - profit trends of coal - coking products (coking coal, coke), traditional coal - chemical products (synthetic ammonia, methanol, urea, DMF, acetic acid), and new materials (DMC, oxalic acid, octanol, adipic acid, caprolactam, PA6, PA66) [10][39][40][42][46][48][51][53] 3.2.5 Animal Nutrition Plate - Studied the price trends of VE, solid methionine, and liquid methionine [54][56]

1. Report Industry Investment Rating No information provided in the given text. 2. Report's Core View The report focuses on the weekly data of the basic chemical industry, showing the price and profit changes of various chemical products due to the intensification of the Middle - East conflict, which has led to significant price increases in chemicals such as olefins [1][2]. 3. Summary by Relevant Catalogs 3.1 Basic Chemical Weekly Data Briefing - **Related Company Performance** - **Stock Price Fluctuations**: The basic chemical index had a -0.6% change in the past week, 9.6% in the past month, 23.6% in the past three months, 52.0% in the past year, and 18.5% since the beginning of 2026. Companies like Wanhua Chemical, Baofeng Energy, Satellite Chemical, Hualu Hengsheng, New Hope Liuhe, and Andisul also showed different degrees of price changes [8]. - **Profit Tracking**: The report provides the total market value,归母净利润, PE, and PB of relevant companies from 2024A to 2027E [8]. - **Product Data** - **Polyurethane Industry**: This week, the average prices of pure MDI, polymer MDI, and TDI were 18343, 14607, and 15713 yuan/ton respectively, with week - on - week increases of 829, 679, and 957 yuan/ton. Their respective gross profits were 4599, 1863, and 3838 yuan/ton, with week - on - week increases of 370, 220, and 117 yuan/ton [2][8]. - **Oil, Gas, and Olefin Industry** - **Raw Material Prices**: The average prices of ethane, propane,动力煤, and naphtha were 1206, 5490, 520, and 5085 yuan/ton respectively, with week - on - week changes of +95, +1006, +0, and +770 yuan/ton [2]. - **Product Prices and Profits**: The average price of polyethylene was 7554 yuan/ton, with a week - on - week increase of 424 yuan/ton. The theoretical profits of ethane cracking, CTO, and naphtha cracking to produce polyethylene were 1160, 1657, and -1006 yuan/ton respectively, with week - on - week changes of +153, +240, and -537 yuan/ton. The average price of polypropylene was 7092 yuan/ton, with a week - on - week increase of 502 yuan/ton. The theoretical profits of PDH, CTO, and naphtha cracking to produce polypropylene were -1056, 1591, and -917 yuan/ton respectively, with week - on - week changes of -434, +333, and -442 yuan/ton [2]. - **Coal Chemical Industry**: The average prices of synthetic ammonia, urea, DMF, and acetic acid were 2025, 1817, 4109, and 2577 yuan/ton respectively, with week - on - week changes of -23, +31, +91, and +65 yuan/ton. Their respective gross profits were 25, 125, 24, and 375 yuan/ton, with week - on - week changes of -37, +4, +39, and +1 yuan/ton [2]. - **Animal Nutrition Industry**: The average prices of VA, VE, solid methionine, and liquid methionine were 60.5, 60.9, 19.9, and 15.2 yuan/kg respectively, with week - on - week changes of +0.0, +3.4, +1.4, and +0.8 yuan/kg [2]. 3.2 Basic Chemical Weekly Report - **2.1 Basic Chemical Index Trend**: No detailed content provided in the given text. - **2.2 Polyurethane Plate**: The report shows the price trends and price - spread situations of pure MDI, polymer MDI, and TDI in China [14][16]. - **2.3 Oil, Gas, and Olefin Plate** - **Raw Material Price Trends**: It includes the price trends of MB ethane, NYMEX natural gas, East China propane, Brent crude oil, domestic动力煤, and naphtha [21][22][27]. - **Profit Situations**: It presents the profit situations of ethane cracking to produce PE, PDH to produce PP, coal - made PE and PP, and naphtha - made PE and PP, as well as the profit comparisons of different routes for producing polyethylene and polypropylene [30][31][35][37][38]. - **2.4 Coal Chemical Plate** - **Coal - Coking Products**: It shows the price trends and gross profits of domestic coking coal and coke [40][41]. - **Traditional Coal Chemical Products**: It presents the price and gross profit situations of synthetic ammonia, methanol, urea, DMF, and acetic acid [43][47][49]. - **New Materials**: It shows the price and gross profit situations of DMC, oxalic acid, octanol, adipic acid, caprolactam, PA6, and PA66 [9]. - **2.5 Animal Nutrition Plate**: It shows the price trends of VA, VE, solid methionine, and liquid methionine [55][57][61].

(文章来源：生意社) 生意社02月23日讯 新浪合作大平台期货开户 安全快捷有保障 2月23日，生意社DMF基准价为3940.00元/吨，与本月初持平。 | 当日价 | 3940.00 | | --- | --- | | 日涨幅 | 0.00% | | 一年位置 | 中低位 | | 最小值 | 3820.00 | | 最大值 | 4300.00 | | 中位值 | 4060 | | 顶位差 | -360 | | 底位差 | 120 | | 平均值 | 4062.87 | | 警戒 | | ...

1. Industry Investment Rating No investment rating information is provided in the report. 2. Core Viewpoints The report presents a comprehensive analysis of the basic chemical industry's weekly data, covering price and profit changes in multiple sectors such as polyurethane, oil - gas - olefin, coal - chemical, and animal nutrition, and also tracks the stock price performance and profitability of related listed companies [1][2][8]. 3. Summary by Directory 3.1 Basic Chemical Weekly Data Briefing - **Related Company Performance Tracking**: - **Stock Price Changes**: The basic chemical index decreased by 2.1% in the past week, increased by 9.0% in the past month, 17.6% in the past three months, 48.7% in the past year, and 10.4% since the beginning of 2026. Among the related listed companies, New Hope Liuhe Co., Ltd. (002001.SZ) had a 6.8% increase in the past week, while other companies such as Wanhua Chemical Group Co., Ltd. (600309.SH) and Baofeng Energy Group Co., Ltd. (600989.SH) had varying degrees of decline [8]. - **Profitability**: The report provides the total market value, stock price, net profit attributable to the parent company, PE, and PB of related listed companies from 2024A to 2027E [8]. - **Industry Chain Data**: - **Polyurethane Industry Chain**: This week, the average prices of pure MDI, polymer MDI, and TDI were 17,500 yuan/ton, 13,900 yuan/ton, and 14,377 yuan/ton respectively. The corresponding weekly changes were - 43 yuan/ton, + 36 yuan/ton, and + 292 yuan/ton, and the gross margins were 4,097 yuan/ton, 1,497 yuan/ton, and 2,345 yuan/ton respectively [2][8]. - **Oil - Gas - Olefin Industry Chain**: The average prices of ethane, propane, steam coal, and naphtha were 1,277 yuan/ton, 4,399 yuan/ton, 520 yuan/ton, and 4,137 yuan/ton respectively, with weekly changes of - 139 yuan/ton, + 51 yuan/ton, 0 yuan/ton, and + 63 yuan/ton. The theoretical profits of polyethylene production through different processes and polypropylene production through different processes also had corresponding changes [2][8]. - **Coal - Chemical Industry Chain**: The average prices of synthetic ammonia, urea, DMF, and acetic acid were 2,119 yuan/ton, 1,758 yuan/ton, 4,004 yuan/ton, and 2,511 yuan/ton respectively, with weekly changes of - 65 yuan/ton, + 13 yuan/ton, + 41 yuan/ton, and - 69 yuan/ton. The corresponding gross margins also changed [2]. - **Animal Nutrition Industry Chain**: The average prices of VA, VE, solid methionine, and liquid methionine were 61.4 yuan/kg, 55.9 yuan/kg, 18.2 yuan/kg, and 14.3 yuan/kg respectively, with weekly changes of - 0.1 yuan/kg, + 0.9 yuan/kg, + 0.3 yuan/kg, and + 0.1 yuan/kg [2][9]. 3.2 Basic Chemical Weekly Report - **Basic Chemical Index Trend**: The report does not elaborate on the basic chemical index trend but focuses on the performance data of the index and related companies [8]. - **Polyurethane Plate**: Analyzes the price trends and price - spread situations of pure MDI, polymer MDI, and TDI in China [16][19]. - **Oil - Gas - Olefin Plate**: Discusses the price trends of raw materials such as ethane, propane, natural gas, and crude oil, as well as the profitability of different processes for producing polyethylene and polypropylene [23][31][38]. - **Coal - Chemical Plate**: Covers the price and gross margin trends of coal - coking products and traditional coal - chemical products, as well as some new materials [40][45][52]. - **Animal Nutrition Plate**: Analyzes the price trends of VA, VE, solid methionine, and liquid methionine [57][59][63].

Investment Rating - The industry investment rating is "Overweight," indicating an expected outperformance of the industry index relative to the benchmark by more than 5% over the next six months [66]. Core Insights - The report highlights strong price support from factories, with solid methionine prices rebounding [1]. - The average prices for various chemical products are provided, showing fluctuations in pricing and profitability across different segments [2]. - The report identifies key listed companies in the chemical sector, including Wanhua Chemical, Baofeng Energy, and others [2]. Summary by Sections 2.1 Basic Chemical Index Trends - The report includes a weekly overview of the basic chemical index trends, indicating overall market movements [10]. 2.2 Polyurethane Sector - The average prices for pure MDI, polymer MDI, and TDI are reported as 17,543, 13,864, and 14,085 CNY/ton respectively, with changes of -171, -36, and +110 CNY/ton [2]. - The gross margins for these products are 4,171, 1,493, and 2,363 CNY/ton, reflecting changes of -332, -196, and -15 CNY/ton [2]. 2.3 Oil, Coal, and Olefin Sector - Average prices for ethane, propane, thermal coal, and naphtha are reported as 1,416, 4,349, 520, and 4,074 CNY/ton respectively, with increases of +147, +52, +0, and +171 CNY/ton [2]. - The average price for polyethylene is 7,162 CNY/ton, showing a rise of +62 CNY/ton [2]. - The theoretical profits for ethane cracking, CTO, and naphtha cracking for polyethylene production are reported as 694, 1,438, and -245 CNY/ton, with respective changes of -161, +41, and -127 CNY/ton [2]. 2.4 Coal Chemical Sector - Average prices for synthetic ammonia, urea, DMF, and acetic acid are 2,184, 1,745, 3,962, and 2,579 CNY/ton respectively, with changes of -27, +5, +68, and -21 CNY/ton [2]. - The gross margins for these products are 199, 72, -92, and 445 CNY/ton, reflecting changes of -21, +1, +10, and -8 CNY/ton [2]. 2.5 Animal Nutrition Sector - Average prices for VA, VE, solid methionine, and liquid methionine are reported as 61.5, 55.1, 17.9, and 14.2 CNY/kg respectively, with changes of -0.7, +0.6, +0.3, and +0.0 CNY/kg [2].