Xinda Securities·2025-09-27 14:41Investment Rating - The industry investment rating is "Positive" as the industry index is expected to outperform the benchmark [148]. Core Insights - The report highlights that domestic and international refining project price differentials have shown a decline, with domestic key refining project price differential at 2338.86 CNY/ton, down by 1.52% week-on-week, while the international price differential is at 1062.71 CNY/ton, down by 9.32% [2][3]. - Brent crude oil average price for the week ending September 26, 2025, was 68.03 USD/barrel, reflecting a slight increase of 0.71% [2][3]. - The report indicates that the refining sector is facing mixed signals, with international oil prices experiencing volatility due to geopolitical factors and economic data from the US raising concerns about demand [2][14]. - In the chemical sector, prices for petrochemical products have generally weakened, with price differentials narrowing across various products [2][46]. - The polyester and nylon sectors are experiencing price declines, with polyester filament factories slightly reducing production while facing weak demand [2][81][115]. Summary by Sections Refining Sector - The report notes fluctuations in oil prices, with Brent and WTI prices increasing by 3.45 and 3.04 USD/barrel respectively from the previous week [14]. - Domestic diesel and gasoline prices have slightly decreased, with average prices at 6905.29 CNY/ton and 7995.14 CNY/ton respectively [14]. Chemical Sector - Polyethylene prices have shown slight declines, with LDPE, LLDPE, and HDPE averaging 9685.71 CNY/ton, 7148.00 CNY/ton, and 8000.00 CNY/ton respectively [53][66]. - The report indicates that the MMA market is showing price stability due to limited supply pressure, with MMA averaging 10242.86 CNY/ton [66]. Polyester & Nylon Sector - PX prices have decreased, with the current average at 5757.10 CNY/ton, while PTA prices are also down to 4537.86 CNY/ton [81][96]. - The report highlights that the demand for polyester filament remains weak, with production adjustments being made in response to inventory levels [81][123]. Market Performance - The report tracks the stock performance of six major refining companies, noting significant weekly changes, with Rongsheng Petrochemical up by 4.55% and Dongfang Shenghong down by 3.32% [134][135]. - The overall performance of the refining index has increased by 44.48% since September 4, 2017, outperforming both the oil and petrochemical industry indices [137].