Investment Rating - The industry investment rating is "Overweight," indicating an expected outperformance of the industry index relative to the benchmark by more than 5% in the next six months [71]. Core Insights - The report highlights that high oil prices are supporting the rise in chemical product prices, with solid methionine prices exceeding 40 yuan per kilogram [1]. - The polyurethane sector shows varied price movements, with pure MDI and polymer MDI prices increasing, while TDI prices decreased [2]. - The oil, coal, and gas olefin sector experienced mixed price changes, with ethane and propane prices fluctuating significantly [2]. - The coal chemical sector reported increases in average prices for synthetic ammonia, urea, DMF, and acetic acid, with corresponding changes in profit margins [2]. - The animal nutrition sector saw price increases for VA, VE, solid egg amino acids, and liquid egg amino acids [2]. Summary by Sections Polyurethane Sector - Average prices for pure MDI, polymer MDI, and TDI are 22,000, 16,943, and 17,771 yuan per ton, with respective changes of +1,543, +443, and -225 yuan per ton [2]. - Gross margins for pure MDI, polymer MDI, and TDI are 6,780, 2,723, and 4,264 yuan per ton, with changes of +1,605, +505, and -49 yuan per ton [2]. Oil, Coal, and Gas Olefin Sector - Average prices for ethane, propane, thermal coal, and naphtha are 1,228, 7,335, 520, and 7,177 yuan per ton, with changes of -21, +959, +0, and +628 yuan per ton [2]. - Average price for polyethylene is 8,810 yuan per ton, with a decrease of -55 yuan per ton [2]. - Average price for polypropylene is 8,794 yuan per ton, with a decrease of -116 yuan per ton [2]. Coal Chemical Sector - Average prices for synthetic ammonia, urea, DMF, and acetic acid are 2,311, 1,854, 5,386, and 2,928 yuan per ton, with changes of +224, +15, +271, and +161 yuan per ton [2]. - Gross margins for synthetic ammonia, urea, DMF, and acetic acid are 320, 181, 1,388, and 427 yuan per ton, with changes of +232, -1, -55, and +19 yuan per ton [2]. Animal Nutrition Sector - Average prices for VA, VE, solid egg amino acids, and liquid egg amino acids are 87.2, 82.8, 34.9, and 21.9 yuan per kilogram, with changes of +18.7, +8.3, +3.0, and +2.4 yuan per kilogram [2].

1. Report Industry Investment Rating - No information provided in the given content 2. Core View of the Report - The tense situation in the Middle East has caused high - level fluctuations in oil prices, which in turn drives up the overall prices of chemical products [1] 3. Summary by Relevant Catalogs 3.1 Basic Chemical Weekly Data Briefing 3.1.1 Related Company Performance Tracking - The Basic Chemical Index had a 0.6% increase in the past week, 5.4% in the past month, 27.1% in the past three months, 49.5% in the past year, and 19.2% since the beginning of 2026 [8] - Among related companies, the stock prices of Baofeng Energy had significant increases, with a 21.2% increase in the past week, 44.6% in the past month, 95.6% in the past three months, 112.9% in the past year, and 76.8% since the beginning of 2026; while Wanhua Chemical's stock price decreased by 9.1% in the past week [8] 3.1.2 Related Company Profit Tracking - The total market value, net profit attributable to the parent company, PE, and PB of companies such as Wanhua Chemical, Baofeng Energy, Satellite Chemical, Hualu Hengsheng, New Hope Liuhe, and Adisseo were presented, with some data being the forecasts of Soochow Securities Research Institute [8] 3.1.3 Industry Chain Data - **Polyurethane Industry Chain**: The weekly average prices of pure MDI, polymer MDI, and TDI were 20457 yuan/ton, 16500 yuan/ton, and 17996 yuan/ton respectively, with month - on - month increases of 2114 yuan/ton, 1893 yuan/ton, and 2283 yuan/ton respectively; the corresponding gross profits were 5175 yuan/ton, 2218 yuan/ton, and 4510 yuan/ton, with month - on - month changes of +576 yuan/ton, +355 yuan/ton, and - 33 yuan/ton respectively [2][8] - **Oil - Gas - Olefin Industry Chain**: The average prices of ethane, propane, steam coal, and naphtha were 1250 yuan/ton, 6376 yuan/ton, 520 yuan/ton, and 6435 yuan/ton respectively, with month - on - month increases of 44 yuan/ton, 887 yuan/ton, 0 yuan/ton, and 1211 yuan/ton respectively. The average price of polyethylene was 8865 yuan/ton, with a month - on - month increase of 1215 yuan/ton; the theoretical profits of ethane cracking, CTO, and naphtha cracking to produce polyethylene were 1997 yuan/ton, 2556 yuan/ton, and - 1426 yuan/ton respectively, with month - on - month changes of +753 yuan/ton, +793 yuan/ton, and - 383 yuan/ton respectively. The average price of polypropylene was 8910 yuan/ton, with a month - on - month increase of 1640 yuan/ton; the theoretical profits of PDH, CTO, and naphtha cracking to produce polypropylene were - 781 yuan/ton, 2798 yuan/ton, and - 1028 yuan/ton respectively, with month - on - month changes of +306 yuan/ton, +1088 yuan/ton, and - 89 yuan/ton respectively [2][8] - **Coal - Chemical Industry Chain**: The average prices of synthetic ammonia, urea, DMF, and acetic acid were 2087 yuan/ton, 1839 yuan/ton, 5114 yuan/ton, and 2767 yuan/ton respectively, with month - on - month increases of 62 yuan/ton, 21 yuan/ton, 1005 yuan/ton, and 191 yuan/ton respectively; the corresponding gross profits were 88 yuan/ton, 154 yuan/ton, 428 yuan/ton, and 383 yuan/ton, with month - on - month increases of 63 yuan/ton, 5 yuan/ton, 169 yuan/ton, and 4 yuan/ton respectively [2][10] - **Animal Nutrition Industry Chain**: The average prices of VA, VE, solid methionine, and liquid methionine were 64.9 yuan/kg, 73.1 yuan/kg, 31.6 yuan/kg, and 19.0 yuan/kg respectively, with month - on - month increases of 4.4 yuan/kg, 9.7 yuan/kg, 10.7 yuan/kg, and 3.3 yuan/kg respectively [2][10] 3.2 Basic Chemical Weekly Report 3.2.1 Basic Chemical Index Trend - No detailed data provided in the given content 3.2.2 Polyurethane Plate - Analyzed the price trends and price - spread situations of pure MDI, polymer MDI, and TDI in China [15][18] 3.2.3 Oil - Gas - Olefin Plate - Studied the price trends of MB ethane, NYMEX natural gas, domestic steam coal, naphtha, crude oil, and propane, as well as the profitability of different processes such as ethane cracking to produce PE, PDH to produce PP, coal - to - PE, coal - to - PP, and naphtha - to - PE/PP [22][23][26][28][29][34][36][37] 3.2.4 Coal - Chemical Plate - Analyzed the price and gross - profit trends of coal - coking products (coking coal, coke), traditional coal - chemical products (synthetic ammonia, methanol, urea, DMF, acetic acid), and new materials (DMC, oxalic acid, octanol, adipic acid, caprolactam, PA6, PA66) [10][39][40][42][46][48][51][53] 3.2.5 Animal Nutrition Plate - Studied the price trends of VE, solid methionine, and liquid methionine [54][56]

1. Industry Investment Rating No investment rating information is provided in the report. 2. Core Viewpoints The report presents a comprehensive analysis of the basic chemical industry's weekly data, covering price and profit changes in multiple sectors such as polyurethane, oil - gas - olefin, coal - chemical, and animal nutrition, and also tracks the stock price performance and profitability of related listed companies [1][2][8]. 3. Summary by Directory 3.1 Basic Chemical Weekly Data Briefing - **Related Company Performance Tracking**: - **Stock Price Changes**: The basic chemical index decreased by 2.1% in the past week, increased by 9.0% in the past month, 17.6% in the past three months, 48.7% in the past year, and 10.4% since the beginning of 2026. Among the related listed companies, New Hope Liuhe Co., Ltd. (002001.SZ) had a 6.8% increase in the past week, while other companies such as Wanhua Chemical Group Co., Ltd. (600309.SH) and Baofeng Energy Group Co., Ltd. (600989.SH) had varying degrees of decline [8]. - **Profitability**: The report provides the total market value, stock price, net profit attributable to the parent company, PE, and PB of related listed companies from 2024A to 2027E [8]. - **Industry Chain Data**: - **Polyurethane Industry Chain**: This week, the average prices of pure MDI, polymer MDI, and TDI were 17,500 yuan/ton, 13,900 yuan/ton, and 14,377 yuan/ton respectively. The corresponding weekly changes were - 43 yuan/ton, + 36 yuan/ton, and + 292 yuan/ton, and the gross margins were 4,097 yuan/ton, 1,497 yuan/ton, and 2,345 yuan/ton respectively [2][8]. - **Oil - Gas - Olefin Industry Chain**: The average prices of ethane, propane, steam coal, and naphtha were 1,277 yuan/ton, 4,399 yuan/ton, 520 yuan/ton, and 4,137 yuan/ton respectively, with weekly changes of - 139 yuan/ton, + 51 yuan/ton, 0 yuan/ton, and + 63 yuan/ton. The theoretical profits of polyethylene production through different processes and polypropylene production through different processes also had corresponding changes [2][8]. - **Coal - Chemical Industry Chain**: The average prices of synthetic ammonia, urea, DMF, and acetic acid were 2,119 yuan/ton, 1,758 yuan/ton, 4,004 yuan/ton, and 2,511 yuan/ton respectively, with weekly changes of - 65 yuan/ton, + 13 yuan/ton, + 41 yuan/ton, and - 69 yuan/ton. The corresponding gross margins also changed [2]. - **Animal Nutrition Industry Chain**: The average prices of VA, VE, solid methionine, and liquid methionine were 61.4 yuan/kg, 55.9 yuan/kg, 18.2 yuan/kg, and 14.3 yuan/kg respectively, with weekly changes of - 0.1 yuan/kg, + 0.9 yuan/kg, + 0.3 yuan/kg, and + 0.1 yuan/kg [2][9]. 3.2 Basic Chemical Weekly Report - **Basic Chemical Index Trend**: The report does not elaborate on the basic chemical index trend but focuses on the performance data of the index and related companies [8]. - **Polyurethane Plate**: Analyzes the price trends and price - spread situations of pure MDI, polymer MDI, and TDI in China [16][19]. - **Oil - Gas - Olefin Plate**: Discusses the price trends of raw materials such as ethane, propane, natural gas, and crude oil, as well as the profitability of different processes for producing polyethylene and polypropylene [23][31][38]. - **Coal - Chemical Plate**: Covers the price and gross margin trends of coal - coking products and traditional coal - chemical products, as well as some new materials [40][45][52]. - **Animal Nutrition Plate**: Analyzes the price trends of VA, VE, solid methionine, and liquid methionine [57][59][63].

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 [66]. Core Insights - The report highlights strong price support from factories, with solid methionine prices rebounding [1]. - The average prices for various chemical products are provided, showing fluctuations in pricing and profitability across different segments [2]. - The report identifies key listed companies in the chemical sector, including Wanhua Chemical, Baofeng Energy, and others [2]. Summary by Sections 2.1 Basic Chemical Index Trends - The report includes a weekly overview of the basic chemical index trends, indicating overall market movements [10]. 2.2 Polyurethane Sector - The average prices for pure MDI, polymer MDI, and TDI are reported as 17,543, 13,864, and 14,085 CNY/ton respectively, with changes of -171, -36, and +110 CNY/ton [2]. - The gross margins for these products are 4,171, 1,493, and 2,363 CNY/ton, reflecting changes of -332, -196, and -15 CNY/ton [2]. 2.3 Oil, Coal, and Olefin Sector - Average prices for ethane, propane, thermal coal, and naphtha are reported as 1,416, 4,349, 520, and 4,074 CNY/ton respectively, with increases of +147, +52, +0, and +171 CNY/ton [2]. - The average price for polyethylene is 7,162 CNY/ton, showing a rise of +62 CNY/ton [2]. - The theoretical profits for ethane cracking, CTO, and naphtha cracking for polyethylene production are reported as 694, 1,438, and -245 CNY/ton, with respective changes of -161, +41, and -127 CNY/ton [2]. 2.4 Coal Chemical Sector - Average prices for synthetic ammonia, urea, DMF, and acetic acid are 2,184, 1,745, 3,962, and 2,579 CNY/ton respectively, with changes of -27, +5, +68, and -21 CNY/ton [2]. - The gross margins for these products are 199, 72, -92, and 445 CNY/ton, reflecting changes of -21, +1, +10, and -8 CNY/ton [2]. 2.5 Animal Nutrition Sector - Average prices for VA, VE, solid methionine, and liquid methionine are reported as 61.5, 55.1, 17.9, and 14.2 CNY/kg respectively, with changes of -0.7, +0.6, +0.3, and +0.0 CNY/kg [2].

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].

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].

Investment Rating - The industry investment rating is "Overweight," indicating an expected outperformance of the industry index relative to the benchmark by more than 5% in the next six months [74]. Core Insights - The report highlights a rebound in prices for Vitamin A (VA) and Vitamin E (VE), with VA priced at 62.6 yuan/kg and VE at 49.5 yuan/kg, reflecting increases of 0.9 yuan/kg and 6.0 yuan/kg respectively [10][59][63]. - The polyurethane sector shows varied price movements, with pure MDI averaging 18,414 yuan/ton (+214 yuan/ton), polymer MDI at 14,293 yuan/ton (+7 yuan/ton), and TDI at 13,341 yuan/ton (-108 yuan/ton) [2][16]. - In the oil, coal, and gas olefin sector, ethane and propane prices are reported at 1,296 yuan/ton (-68 yuan/ton) and 3,934 yuan/ton (+157 yuan/ton) respectively, while the average price of polypropylene is 6,600 yuan/ton (-80 yuan/ton) [2][24]. - The coal chemical sector shows mixed results, with synthetic ammonia at 2,151 yuan/ton (-3 yuan/ton) and urea at 1,615 yuan/ton (+19 yuan/ton) [2][40]. - Key listed companies in the chemical sector include Wanhua Chemical, Baofeng Energy, Satellite Chemical, Hualu Hengsheng, New Chemical, and Andisu [2]. Summary by Sections 1. Polyurethane Sector - Average prices for pure MDI, polymer MDI, and TDI are 18,414 yuan/ton, 14,293 yuan/ton, and 13,341 yuan/ton respectively, with corresponding gross profits of 5,400 yuan/ton, 2,279 yuan/ton, and 1,918 yuan/ton [2][16]. 2. Oil, Coal, and Gas Olefin Sector - Ethane and propane average prices are 1,296 yuan/ton and 3,934 yuan/ton, with theoretical profits for polyethylene production from ethane at 947 yuan/ton [2][24][33]. 3. Coal Chemical Sector - Average prices for synthetic ammonia, urea, DMF, and acetic acid are 2,151 yuan/ton, 1,615 yuan/ton, 3,943 yuan/ton, and 2,330 yuan/ton respectively, with gross profits of 121 yuan/ton, -69 yuan/ton, -151 yuan/ton, and 80 yuan/ton [2][40][44]. 4. Animal Nutrition Sector - VA and VE prices are reported at 62.6 yuan/kg and 49.5 yuan/kg, with recent increases noted [10][59][63].