Xinda Securities·2025-10-19 08:33Investment Rating - The industry investment rating is "Positive" as indicated by the report's outlook on the refining sector [153]. Core Insights - The report highlights an increase in demand for winter thermal fabrics, leading to a slight improvement in long filament profitability [2]. - The Brent crude oil average price for the week ending October 17, 2025, was $62.37 per barrel, reflecting a decrease of 4.26% from the previous week [2]. - The domestic key refining project price difference was 2425.56 CNY/ton, with a week-on-week increase of 21.37 CNY/ton (+0.89%) [3]. - The report notes that the international oil price experienced fluctuations due to trade tensions and economic concerns, impacting the overall market sentiment [14]. Summary by Sections Refining Sector - The report discusses the impact of U.S.-China trade tensions on oil prices, with Brent and WTI prices at $61.29 and $57.54 per barrel respectively, showing declines of $1.44 and $1.36 from the previous week [14]. - Domestic refined oil prices have slightly decreased, but the price differentials have improved [14]. - The report tracks the stock performance of six major refining companies, with notable declines in stock prices for several companies over the past week [140]. Chemical Sector - The chemical products in the petrochemical downstream faced price declines due to weak cost support, with polyolefin prices showing slight fluctuations [2]. - EVA demand remains weak, leading to price adjustments and a slight narrowing of price differentials [2]. - The report indicates that pure benzene prices have slightly decreased, but price differentials have improved [2]. Polyester & Nylon Sector - The report notes a decrease in polyester chain product prices due to weak cost support, with PX, MEG, and PTA prices all declining [89]. - The demand for polyester long filaments has increased due to colder temperatures in northern regions, although prices have slightly decreased [110]. - Nylon fiber prices have also shown weakness, with average prices for POY, FDY, and DTY all declining [120].