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 [70]. Core Insights - The average prices for pure MDI, polymer MDI, and TDI are reported at 18,043, 14,171, and 14,478 CNY/ton respectively, with TDI showing a week-on-week increase of 59 CNY/ton [2]. - The average prices for ethane, propane, and coal are 1,165, 4,172, and 520 CNY/ton respectively, with ethane decreasing by 85 CNY/ton and propane increasing by 45 CNY/ton [2]. - The average prices for synthetic ammonia, urea, DMF, and acetic acid are 2,213, 1,724, 3,787, and 2,546 CNY/ton respectively, with synthetic ammonia decreasing by 34 CNY/ton and urea increasing by 12 CNY/ton [2]. - The average prices for animal nutrition products such as VA and VE are 62.5 and 54.9 CNY/kg respectively, with no significant changes [2]. Summary by Sections Polyurethane Sector - The average prices for pure MDI, polymer MDI, and TDI are 18,043, 14,171, and 14,478 CNY/ton respectively, with TDI showing a week-on-week increase of 59 CNY/ton [2][16][20]. Oil, Coal, and Olefins Sector - Ethane and propane average prices are 1,165 and 4,172 CNY/ton respectively, with ethane decreasing by 85 CNY/ton and propane increasing by 45 CNY/ton [2][24][31]. - The average price for polyethylene is 6,800 CNY/ton, reflecting a week-on-week increase of 30 CNY/ton [2]. Coal Chemical Sector - The average prices for synthetic ammonia, urea, DMF, and acetic acid are 2,213, 1,724, 3,787, and 2,546 CNY/ton respectively, with synthetic ammonia decreasing by 34 CNY/ton and urea increasing by 12 CNY/ton [2][40][48][49]. Animal Nutrition Sector - The average prices for VA, VE, solid egg amino acid, and liquid egg amino acid are 62.5, 54.9, 17.6, and 14.2 CNY/kg respectively, with no significant changes [2][56][62].