基础化工行业周报：五部门出台零碳工厂建设意见，美国拟敲定年度生物燃料配额

Investment Rating - The industry investment rating is "Overweight" [2] Core Insights - The chemical industry is experiencing a dual drive of cyclical recovery and growth, with a focus on organic silicon, PTA, polyester filament, caprolactam, spandex, vitamins, sweeteners, refrigerants, and phosphorus chemicals [5][6] - The organic silicon industry is entering a recovery phase, driven by new applications in sectors like new energy vehicles and photovoltaics, with significant improvements in supply-demand dynamics expected [5][6] - The PTA/polyester filament industry is seeing a reduction in capacity expansion, leading to a new cycle of prosperity due to improved domestic and external demand [6] - The refrigerant market is entering a high prosperity cycle due to quota policies and stable demand growth from sectors like heat pumps and cold chain logistics [7] - The synthetic biology sector is poised for explosive growth as fossil-based materials face disruptive challenges, with a focus on energy efficiency and carbon tax costs [8] - OLED technology is rapidly penetrating various markets, supported by government policies aimed at fostering the new display industry [9] - The demand for high-frequency and low-loss electronic resins is increasing due to the rise of AI infrastructure and low-orbit satellite communications [10] - The electronic chemicals sector is benefiting from the expansion of wafer production capacity, with increasing demand for key materials in the semiconductor industry [11] Summary by Sections Industry Performance - The chemical sector ranked 4th in overall performance with a weekly increase of 7.29%, outperforming the Shanghai Composite Index by 6.45 percentage points [20][21] Key Industry Dynamics - The Ministry of Industry and Information Technology has issued guidelines for zero-carbon factory construction, aiming to establish a benchmark by 2027 across various industries [35] - The U.S. government plans to finalize the annual biofuel blending quota, maintaining high growth targets for the biofuel industry [35]