大炼化周报：临近春节假期，长丝市场需求明显收缩

Investment Rating - The report does not explicitly provide an investment rating for the oil refining industry Core Insights - The demand for long filament in the market has significantly decreased as the Spring Festival approaches [2] - Domestic key refining project price spread is 2479.13 CNY/ton, with a week-on-week change of -41.35 CNY/ton (-1.64%), while the foreign key refining project price spread is 1110.81 CNY/ton, with a week-on-week change of +3.54 CNY/ton (+0.32%) [2][3] - Brent crude oil weekly average price is 68.66 USD/barrel, with a week-on-week change of +1.97% [2][3] Refining Sector Summary - Geopolitical tensions between the US and Iran have influenced oil prices, with fluctuations observed throughout the week [2] - As of February 13, 2026, Brent and WTI crude oil prices are 67.75 USD/barrel and 62.89 USD/barrel, respectively, showing a decrease from the previous week [15] - Domestic refined oil prices show slight fluctuations, with diesel, gasoline, and aviation kerosene averaging 6234.14 CNY/ton, 7614.29 CNY/ton, and 5037.19 CNY/ton, respectively [15] Chemical Sector Summary - Chemical prices have generally declined, with polyolefins experiencing price fluctuations [2] - The polyester sector anticipates a quick recovery in production post-holiday, with PX and PTA prices increasing [2] - The nylon market shows an upward trend in pricing due to strong cost support [2] Price Changes of Major Refining Companies - The stock price changes for major refining companies as of February 13, 2026, include Rongsheng Petrochemical (+0.83%), Hengli Petrochemical (-0.61%), and Tongkun Co. (+8.07%) [2]