Investment Rating - The industry investment rating is "Overweight," indicating an expected outperformance of the industry index relative to the benchmark by more than 5% over the next six months [67]. Core Insights - The report highlights significant price fluctuations in the chemical sector due to extreme weather conditions affecting natural gas prices in the U.S. [1]. - The average prices for various chemical products, including pure MDI, polymer MDI, and TDI, have shown a decline compared to the previous week, with respective price changes of -129, -114, and -213 CNY/ton [2]. - The report provides a detailed analysis of profit margins across different segments, indicating a decrease in margins for pure MDI and polymer MDI, while TDI margins remained relatively stable [2]. Summary by Sections 2.1 Basic Chemical Index Trends - The basic chemical index has shown a weekly increase of 7.3% as of January 23, 2026, with a year-to-date increase of 16.8% [8]. 2.2 Polyurethane Sector - The average prices for pure MDI, polymer MDI, and TDI are reported at 17,714, 13,900, and 13,975 CNY/ton respectively, with corresponding profit margins of 4,503, 1,689, and 2,459 CNY/ton [2][16]. 2.3 Oil, Coal, and Olefin Sector - Ethane and propane prices have increased by 210 and 21 CNY/ton respectively, while the average price for coal remains stable at 520 CNY/ton [2][22]. - The average price for polyethylene is reported at 7,100 CNY/ton, showing a slight decrease of 15 CNY/ton [2][28]. 2.4 Coal Chemical Sector - The average prices for synthetic ammonia, urea, DMF, and acetic acid are 2,211, 1,740, 3,894, and 2,600 CNY/ton respectively, with minor fluctuations in profit margins [2][41]. 2.5 Animal Nutrition Sector - The average prices for VA, VE, solid egg, and liquid egg are reported at 62.2, 54.5, 17.6, and 14.2 CNY/kg respectively, with minimal changes observed [2][54].