大炼化周报：关税争端缓和与成本支撑，炼化产品价格上涨-20250518

Investment Rating - The industry investment rating is "Positive" as the industry index is expected to outperform the benchmark [126]. Core Insights - The report highlights that the recent easing of trade disputes between the US and China, along with better-than-expected US inflation data, has improved market sentiment and supported oil prices. Brent crude oil prices increased to $65.41 per barrel, reflecting a week-on-week rise of $1.50 [15]. - The refining sector has seen a price increase in refined products due to the easing of tariffs and improved demand, particularly in petrochemical products like styrene and MMA, which have experienced significant price increases [51][84]. - The report indicates that the domestic price difference for key refining projects is 2422.43 CNY/ton, with a week-on-week increase of 89.11 CNY/ton (3.82%), while the international price difference is 1125.10 CNY/ton, up 63.39 CNY/ton (5.97%) [2]. Summary by Sections Refining Sector - The report notes that the Brent crude oil price averaged $65.36 per barrel, with a week-on-week increase of 6.23%. The EIA reported a decrease in US crude oil inventories, which contributed to the fluctuations in oil prices [15]. - The domestic market for diesel, gasoline, and jet fuel has seen average prices of 6852.00 CNY/ton, 7934.80 CNY/ton, and 6005.67 CNY/ton respectively, with varying changes in price differentials against crude oil [15]. Chemical Sector - The report indicates that the prices of petrochemical products have generally risen due to the easing of trade tensions. For instance, the price of pure benzene increased to 5907.14 CNY/ton, reflecting a rise of 242.86 CNY/ton [51]. - The report also highlights that the price of MMA has increased due to supply reductions from maintenance activities, with the average price reaching 10360.71 CNY/ton [67]. Polyester Sector - The report mentions that the prices of PX, PTA, and MEG have risen significantly due to supply constraints and increased demand from downstream industries. The average price of PX is reported at 6119.88 CNY/ton, up 676.46 CNY/ton [84][88]. - The report notes that the polyester filament market has seen a significant increase in sales volume, driven by improved demand from downstream weaving enterprises [92]. Market Performance of Major Refining Companies - The report tracks the stock performance of six major refining companies, with notable increases in stock prices for companies like Rongsheng Petrochemical (+0.82%) and Hengli Petrochemical (+2.04%) over the past week [113]. - Over the past month, the stock price of Dongfang Shenghong has increased by 15.34%, indicating strong market performance [113].