相关报告 1.【华安化工】基础化工：蓝星收购 埃肯有机硅资产，我国首个生物燃油 2.【华安化工】染料产业链格局改善， 3.【华安化工】合成生物学周报：工 （1）有机硅行业盈利步入修复通道，新兴应用领域成为核心增长引 擎。2019—2024 年，国内有机硅 DMC 产能高速扩张，引发行业阶段 性产能过剩，市场价格持续下行。2025 年，行业无新增产能落地，叠 加海外产能持续出清，供给端增速正式见顶。需求侧，新能源汽车、 光伏等新兴领域需求维持高速增长态势，叠加出口量同比提升，行业 供需格局显著改善。在此背景下，行业头部企业牵头召开行业发展研 讨会，就有机硅产品达成动态定价机制与减产协议，推动行业盈利进 入修复周期。相关公司：合盛硅业、兴发集团相关公司。 [Table_StockName基Rpt础Typ化e] 工 行业周报 美国将磷列为国防关键物资，原油、TDI、染料等价格上涨 行业评级： 增持 报告日期： 2026-03-02 [T行ab业le_周Su观m点mary] 公司价格与沪深 300 走势比较 本周（2026/02/23-2026/02/27）化工板块整体涨跌幅表现排名 第 3 位，涨跌幅为 7.15% ...

Investment Rating - Industry Rating: Overweight [2] Core Insights - The chemical industry is experiencing a dual drive of cyclical recovery and growth, with a recommendation to focus on sectors such as organic silicon, PTA, polyester filament, caprolactam, spandex, vitamins, sweeteners, refrigerants, and phosphorus chemicals [5][6] - The organic silicon industry is entering a recovery phase, with new applications becoming key growth drivers. From 2019 to 2024, domestic DMC capacity is expected to expand rapidly, leading to a temporary oversupply and price decline. However, by 2025, no new capacity is anticipated, and demand from emerging sectors like new energy vehicles and photovoltaics is expected to maintain high growth [5][6] - The PTA/polyester filament industry is approaching a turning point, with capacity expansion cycles nearing their end. The demand side is expected to continue growing, supported by improved external demand due to easing trade tensions [6] - Refrigerants are entering a high prosperity cycle due to quota policies that will reduce supply while demand remains stable, driven by market expansion in Southeast Asia and the development of heat pumps and cold chain markets [7] - The synthetic biology sector is poised for significant growth as fossil-based materials face disruptive challenges, with a focus on energy-efficient products and the potential for bio-based materials to see explosive demand [8] - OLED technology is rapidly penetrating various markets, with government policies supporting the development of new display industries and accelerating the localization of key materials and equipment [9] - The demand for electronic chemicals is increasing due to the rapid growth of the semiconductor industry, particularly in China, where the market is heavily reliant on imports [11] Summary by Sections Industry Performance - The chemical sector ranked 4th in overall performance for the week of January 19-23, 2026, with a gain of 7.29%, outperforming the Shanghai Composite Index by 6.45 percentage points [5][20] - The top-performing sub-sectors included textile chemical products (13.10%), nitrogen fertilizers (10.58%), and other chemical raw materials (10.09%) [21] Key Company Dynamics - The top three gaining companies for the week were Jianghua Micro (46.41%), Jiuding New Materials (28.47%), and Hongbaoli (26.73%) [26] - The companies in focus for potential investment include KaiSai Biological, Huaheng Biological, and other leading firms in synthetic biology and electronic chemicals [8][11][32] Industry Developments - The Ministry of Industry and Information Technology has issued guidelines for the construction of zero-carbon factories, aiming to establish a benchmark by 2027 across various sectors [35] - The U.S. government plans to finalize the 2026 biofuel blending quotas, maintaining high growth targets while addressing industry concerns [35]