大炼化周报：PTA供应端发生变化，产品价格上涨-20251228

1. Report Industry Investment Rating - No industry investment rating information is provided in the report. 2. Core Viewpoints - The report presents a weekly analysis of the large refining and chemical industry, covering data on key domestic and foreign refining projects, the polyester, refining, and chemical sectors, as well as performance and profit forecasts of relevant listed companies [2]. 3. Summary by Related Catalogs 3.1 Big Refining Weekly Data Briefing - Stock Price and Market Performance: The report tracks the stock price changes of six major private refining and chemical companies in the past week, month, three - month, and one - year periods. For example, from 2025/12/26, Rongsheng Petrochemical had a weekly increase of 12.1%, a monthly increase of 16.4%, a three - month increase of 16.9%, and a one - year increase of 21.6% [8]. - Profit Forecast: It provides profit forecasts for these six companies from 2024 to 2027, including归母净利润, PE, and PB. For instance, Hengli Petrochemical's 2024A归母净利润 was 7044 million yuan, and it is expected to reach 10657 million yuan in 2027E [8]. - Oil Prices and Refining Spreads: International crude oil prices (Brent and WTI) showed an increase this week. The average price of Brent was 61.7 dollars/barrel, with a week - on - week increase of 2.7%. The average price of WTI was 57.7 dollars/barrel, with a week - on - week increase of 2.5%. The spread of domestic refining projects was 2640.2 yuan/ton, with a week - on - week decrease of 0.1%. The spread of foreign refining projects was 1254.1 yuan/ton, with a week - on - week decrease of 3.5% [8]. - Polyester Sector: - Upstream Products: The average price of PX was 903.0 dollars/ton, with a week - on - week increase of 64.4 dollars/ton. The average price of MEG was 3616.4 yuan/ton, with a week - on - week decrease of 19.3 yuan/ton. The average price of PTA was 4990.0 yuan/ton, with a week - on - week increase of 345.0 yuan/ton [10]. - Polyester Filament: The average prices of POY, FDY, and DTY increased, but their profits decreased. For example, the average price of POY was 6385.7 yuan/ton, with a week - on - week increase of 92.9 yuan/ton, but the profit per ton decreased by 130.9 yuan. The inventory of FDY decreased by 8.2 days, and the inventory of DTY decreased by 3.0 days [10]. - Short Fiber and Bottle Chip: The average price of polyester short fiber was 6404.3 yuan/ton, with a week - on - week increase of 137.1 yuan/ton, and the profit per ton decreased by 101.5 yuan. The average price of polyester bottle chip was 5900.0 yuan/ton, with a week - on - week increase of 224.3 yuan/ton, and the profit per ton decreased by 42.7 yuan [10]. - Downstream Products: The inventory of weaving enterprises increased by 0.2 days, and the operating rate decreased by 2.2 percentage points [10]. - Refining Sector: The prices of gasoline, diesel, and aviation kerosene in China and the US decreased this week, while in Europe, the prices of gasoline, diesel, and aviation kerosene showed a mixed trend, and in Singapore, the prices of gasoline, diesel, and aviation kerosene decreased [10]. - Chemical Sector: The prices and spreads of various chemical products changed. For example, the price of EVA photovoltaic material decreased by 339 yuan/ton, and the price of LLDPE decreased by 197 yuan/ton [10]. 3.2 Big Refining Weekly Report - Big Refining Index and Project Spread Trends: The report may analyze the trends of the big refining index and the spreads of key domestic and foreign refining projects, but specific analysis content is not provided [12]. - Polyester Sector: It includes the price, profit, inventory, and operating rate of various products in the polyester industry chain, as well as the relationship between polyester filament and downstream weaving operating rates [12]. - Refining Sector: It analyzes the price and spread changes of refined oil products in different regions such as China, the US, Europe, and Singapore [12]. - Chemical Sector: It presents the price and spread changes of various chemical products [12].