原油相关信息： ⚫ 原油及相关库存：2025 年 4 月 18 日美国原油商业库存 4.431 亿桶，周增加 20 桶； 汽油库存 2.295亿桶，周减少 450万桶；馏分油库存 1.069 亿桶，周减少 240万桶； 丙烷库存 0.46630 亿桶，周增加 226.3 万桶。美国原油产量及钻机数：2025 年 4 月 18 日美国原油产量为 1346.0 万桶/天，周度减少 0.2 万桶/天，较一年前增加 36.0 万 桶/天。2025 年 4 月 25 日美国钻机数 587 台，周增加 2 台，年减少 26 台；加拿大 钻机数 128 台，周减少 6 台，年增加 10 台。其中美国采油钻机 483 台，周度增加 2 台，年度减少 23 台。 价格变化： 价差变化： 基础化工行业 行业研究 | 行业周报 油价震荡走势，继续关注内需及国产替代 新材料机会 核心观点 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；海外市场供需情况变化；油价大幅波动。 国家/地区 中国 行业 基础化工行业 报告发布日期 2025 年 04 月 29 日 看好（维持） | 倪吉 | 021-63325888*75 ...

Investment Rating - The report maintains an "Outperform" rating for the basic chemical industry [2]. Core Viewpoints - The commercialization of humanoid robots is accelerating, with a focus on four major investment themes related to the chemical sector. In Q1 2025, over 35 companies launched new humanoid robot products, with more than 21 from China. The market for humanoid robots is expected to reach 8.239 billion yuan, accounting for about 50% of the global market by 2025 [5][28]. Summary by Sections Market Performance - The basic chemical industry index increased by 2.7% from April 18 to April 25, outperforming the Shanghai Composite Index by 2.1 percentage points and the ChiNext Index by 1.0 percentage points. Year-to-date, the basic chemical industry index has risen by 1.7%, surpassing the Shanghai Composite Index by 3.4 percentage points and the ChiNext Index by 10.8 percentage points [3][16]. Investment Themes 1. **Equity Investment Strategy**: The humanoid robot industry is projected to produce over 10,000 units by 2025, with significant market potential. Chemical companies can enhance their technological attributes through early-stage equity investments [5][28]. 2. **Polymer Materials**: Humanoid robots require various polymer materials, with modified plastics being a key solution for lightweight components. The demand for PEEK is expected to grow significantly, with a projected CAGR of 16.8% from 2022 to 2027 [5][29]. 3. **Tendon Materials**: Tendon systems are crucial for humanoid robots, with UHMWPE and carbon fiber being ideal materials due to their superior properties. Companies like Tongyi Zhong and Nanshan Zhishang are leading in UHMWPE production [5][6]. 4. **Electronic Skin Materials**: The electronic skin market is expected to grow from 6.3 billion USD in 2024 to 30 billion USD by 2034, with companies like Fulei New Materials and Hanwei Technology actively developing flexible sensor materials [5][6]. Product Price Changes - The report lists significant price changes for chemical products, with the top gainers including glyphosate (+16.3%) and liquid nitrogen (+13.7%). Conversely, coal tar saw a decline of 11.8% [5]. Investment Recommendations - Core assets in the chemical sector are entering a long-term value zone, with companies like Baofeng Energy and Wanhua Chemical recommended for investment. Additionally, sectors facing supply constraints, such as vitamins and refrigerants, are highlighted for their potential price elasticity [5][14][15].

Investment Rating - The report maintains an "Outperform" rating for the basic chemical industry [2]. Core Viewpoints - The commercialization of humanoid robots is accelerating, with a focus on four major investment themes related to the chemical sector. In Q1 2025, over 35 companies launched new humanoid robot products, with more than 21 from China. The market for humanoid robots is expected to reach 8.239 billion yuan, accounting for about 50% of the global market by 2025 [5][28]. Summary by Sections Market Performance - The basic chemical industry index increased by 2.7% from April 18 to April 25, outperforming the Shanghai Composite Index by 2.1 percentage points and the ChiNext Index by 1.0 percentage points. Year-to-date, the basic chemical industry index has risen by 1.7%, surpassing the Shanghai Composite Index by 3.4 percentage points and the ChiNext Index by 10.8 percentage points [3][16]. Investment Themes 1. **Equity Investment Strategy**: The humanoid robot industry is projected to produce over 10,000 units by 2025, with significant market potential. Chemical companies can enhance their technological attributes through early-stage equity investments [5][28]. 2. **Polymer Materials**: Humanoid robots require various polymer materials, with modified plastics being a key solution for lightweight components. The demand for PEEK is expected to grow significantly, with a projected CAGR of 16.8% from 2022 to 2027 [5][29]. 3. **Tendon Materials**: Tendon systems are crucial for humanoid robots, with UHMWPE and carbon fiber being ideal materials due to their superior properties. Companies like Tongyi Zhong and Nanshan Zhishang are leading in UHMWPE production [6][29]. 4. **Electronic Skin Materials**: The electronic skin market is expected to grow from 6.3 billion USD in 2024 to 30 billion USD by 2034, with companies like Fulei New Materials and Hanwei Technology actively developing flexible sensor materials [5][29]. Product Price Changes - The report lists significant price changes for chemical products, with the top gainers including glyphosate (+16.3%) and liquid nitrogen (+13.7%). Conversely, coal tar saw a decline of 11.8% [5][6]. Investment Recommendations - Core assets in the chemical sector are entering a long-term value zone, with companies like Baofeng Energy and Wanhua Chemical recommended for investment. Additionally, sectors facing supply constraints, such as vitamins and refrigerants, are highlighted for their potential price elasticity [5][14].