大炼化周报：原料价格下跌，聚烯烃价差有所改善-20250511

Investment Rating - The industry investment rating is "Positive" as the industry index is expected to outperform the benchmark [116] Core Viewpoints - The report highlights that the recent decline in raw material prices has led to an improvement in the price spread of polyolefins [1] - The Brent crude oil average price for the week ending May 9, 2025, was $61.53 per barrel, reflecting a decrease of 3.94% [2] - The report indicates that the price spread for domestic key refining projects was 2357.39 CNY/ton, with a week-on-week increase of 55.96 CNY/ton (2.43%) [2] Summary by Sections Refining Sector - International oil prices have rebounded slightly due to geopolitical tensions in the Middle East and a downward revision of U.S. oil production forecasts by the EIA [12] - Domestic and international refined oil prices have generally decreased, with domestic diesel, gasoline, and aviation kerosene averaging 6831.00 CNY/ton, 7978.00 CNY/ton, and 5914.00 CNY/ton respectively [12] Chemical Sector - Most chemical product prices have declined, but olefin product prices have shown relative resilience, with price spreads slightly improving [1] - Polyethylene and polypropylene prices have remained stable, with price spreads widening [46] - The report notes a slight decrease in EVA product prices, with an improvement in price spreads [46] Polyester Sector - The report mentions a slight improvement in polyester demand due to easing U.S. tariff issues [1] - PX product prices have decreased, but the decline is less than that of costs, leading to a widening price spread [76] - PTA prices have increased due to supply-side support, with the average price at 4542.86 CNY/ton [82] Market Performance of Major Refining Companies - The stock price changes for six major refining companies as of May 9, 2025, include Rongsheng Petrochemical (+2.88%), Hengli Petrochemical (+2.35%), and Dongfang Shenghong (+2.61%) [103] - Over the past month, the stock price of Dongfang Shenghong has increased by 12.73% [103] Price Spread Analysis - The domestic key refining project price spread has increased by 1.66% since January 4, 2020, while the international key refining project price spread has increased by 11.83% [2]