基础化工行业 行业研究 | 行业周报 硫磺-硫酸继续上涨，关注具有长期逻辑的 涨价品种 核心观点 原油相关信息： ⚫ 原油及相关库存：2025 年 3 月 7 日美国原油商业库存 4.352 亿桶，周增加 140 万 桶；汽油库存 2.411 亿桶，周减少 570 万桶；馏分油库存 1.176 亿桶，周减少 160 万桶；丙烷库存 0.45259 亿桶，周减少 339.5 万桶。美国原油产量及钻机数：2025 年 3 月 7 日美国原油产量为 1357.5 万桶/天，周度增加 6.7 万桶/天，较一年前增加 47.5 万桶/天。2025 年 3 月 14 日美国钻机数 592 台，周度不变，年减少 37 台；加 拿大钻机数 199 台，周减少 35 台，年度减少 8 台。其中美国采油钻机 487 台，周度 增加 1 台，年减少 23 台。 价格变化： 价差变化： 投资建议与投资标的 风险提示 ⚫ 项目进展不及预期；需求不及预期；海外销售不及预期；原材料价格大幅波动。 国家/地区 中国 行业 基础化工行业 报告发布日期 2025 年 03 月 17 日 看好（维持） | 倪吉 | 021-63325888*75 ...

基础化工行业 行业研究 | 行业周报 国家/地区 中国 行业 基础化工行业 报告发布日期 2025 年 03 月 03 日 看好（维持） | 倪吉 | 021-63325888*7504 | | --- | --- | | | niji@orientsec.com.cn | | | 执业证书编号：S0860517120003 | | 顾雪莺 | guxueying@orientsec.com.cn | | | 执业证书编号：S0860523080005 | 寻找景气复苏的周期行业之十三：乙二醇 2025-01-23 站在新秩序的起点：化工行业 2025 年度投 资策略 2024-12-18 投资建议与投资标的 风险提示 ⚫ 项目进展不及预期；需求不及预期；海外销售不及预期；原材料价格大幅波动。 有关分析师的申明，见本报告最后部分。其他重要信息披露见分析师申明之后部分，或请与您的投资代表联系。并请阅读本证券研究报告最后一页的免责申明。 本周化肥产品持续涨价 ⚫ 我们监测的 188 种化工产品中，本周价格涨幅前 3 名的产品分别为硫酸（上涨 16.6%）、硫磺（上涨 13.4%）、氯化钾（上涨 11.2%）；跌幅 ...

Investment Rating - The industry investment rating is "Positive (Maintain)" [6] Core Viewpoints - Recent trade frictions have raised concerns about economic growth, leading to downward pressure on oil prices, while leading stocks remain weak. The report suggests focusing on leading companies with strong fundamentals and low correlation to oil prices for bottom-fishing opportunities. Additionally, the importance of food security has increased due to global instability, making agricultural and food supply chains more resilient. The report anticipates sustained economic improvement and upward elasticity from supply-side adjustments [11] Summary by Sections Oil and Chemical Prices Information - As of February 14, Brent oil price increased by 0.1% to $74.74 per barrel. Concerns over U.S. sanctions on certain oil-producing countries initially pushed prices up, but an increase in U.S. commercial oil inventories and easing geopolitical tensions led to a price retraction. As of February 7, U.S. commercial oil inventories stood at 427.9 million barrels, a weekly increase of 4.1 million barrels [12] - Among 188 monitored chemical products, the top three price increases this week were petroleum coke (up 24.0%), natural gas (up 12.5%), and acetone (up 7.6%). The top three price decreases were liquid chlorine (down 26.9%), threonine (down 14.0%), and vitamin B2 (down 6.3%) [13] Investment Recommendations and Targets - Recommended companies include: - Wanhua Chemical: Core product MDI shows recent profit improvement, with upcoming petrochemical and new material projects expected to launch [11] - Huangma Technology: A leading special polyether company that has entered a growth phase again after addressing previous macro demand pressures [11] - Jinhui Industrial: A leader in maltol and sucralose, with signs of marginal improvement in core product conditions [11] - Yuntianhua: A leading company in the domestic phosphate chemical industry, with sustained demand for phosphate rock [11]