生态环境部推进PVC行业无汞化转型，原油价格走强

Investment Rating - The industry investment rating is "Overweight" [2] Core Insights - The chemical sector 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, with new applications becoming the core growth engine. From 2019 to 2024, domestic DMC capacity is rapidly expanding, leading to temporary oversupply and continuous price declines. However, by 2025, no new capacity is expected, and demand from emerging sectors like new energy vehicles and photovoltaics is maintaining high growth [5][6] - The PTA and polyester filament industry is moving towards a new prosperity cycle as the capacity expansion phase is nearing its end, with new capacity mainly concentrated in leading enterprises [6] - The refrigerant market is entering a high prosperity cycle due to quota policies and stable demand growth from the heat pump and cold chain markets [7] - The synthetic biology sector is expected to see explosive demand growth as fossil-based materials face disruptive challenges, with a focus on energy-efficient products [8] - OLED technology is accelerating its penetration into larger displays, supported by government policies promoting the new display industry [9] - The demand for electronic chemicals is increasing due to the rapid development of the semiconductor industry, particularly in China, where the market is heavily reliant on imports [11] Summary by Sections Industry Performance - The chemical sector's overall performance ranked 12th with a decline of 0.86% during the week of January 26 to January 30, 2026 [20] - The top three performing sectors were oil and petrochemicals (7.95%), communications (5.83%), and coal (3.68%) [20] Key Industry Dynamics - The Ministry of Ecology and Environment is promoting the mercury-free transformation of the PVC industry, focusing on the development of mercury-free catalysts [36] - Recent geopolitical tensions in the Middle East have led to increased oil prices, with WTI crude averaging $61.33 per barrel, up 2.39% from the previous week [36]