Xinda Securities·2025-09-07 08:34Investment Rating - The industry investment rating is "Neutral" based on the performance of the industry index relative to the benchmark [136]. Core Insights - The report highlights that the "Golden September" season is approaching, leading to improved orders in the downstream long filament sector [1]. - The Brent crude oil average price for the week ending September 5, 2025, was $67.67 per barrel, reflecting a decrease of 0.99% [2]. - Domestic and foreign refining project price differentials were tracked, with domestic projects at 2361.03 CNY/ton (-1.28%) and foreign projects at 1133.43 CNY/ton (+4.45%) [2]. Summary by Sections Refining Sector - Geopolitical risks have increased due to attacks on oil tankers, while U.S. oil demand has decreased, leading to concerns about supply exceeding demand [1]. - Brent and WTI crude oil prices were reported at $65.5 and $61.9 per barrel, respectively, showing declines from the previous week [14]. - The domestic and international product price differentials have widened, with domestic diesel and gasoline prices slightly down [14]. Chemical Sector - The report indicates a mixed trend in refining product price differentials, with olefins showing slight improvement while aromatics have narrowed [1]. - Polyethylene prices fluctuated, while polypropylene prices remained stable with a slight widening of price differentials [53]. - EVA prices increased due to strong demand from the photovoltaic sector, with significant widening of price differentials [53]. Polyester Sector - The cost structure for the polyester industry has shifted downwards, but demand for long filaments has improved as the peak season approaches [1]. - The average price for polyester long filaments has increased, leading to improved profitability [104]. - The report notes a decrease in supply for long filaments, with domestic and foreign orders showing slight increases [104]. Major Refining Companies - The stock performance of six major refining companies was tracked, with notable changes in their stock prices over the past week and month [124]. - The report indicates that the refining index has increased by 41.24% since September 4, 2017, outperforming the broader market indices [125].