涤丝库存低位，支撑产品价格及盈利改善

Core Insights - The report highlights the price differentials of key refining projects in both domestic and international markets, indicating a slight increase in domestic price differentials and a more significant increase in international price differentials [1][2] - Brent crude oil's average weekly price shows a slight decline, reflecting market volatility influenced by geopolitical factors and economic data [2] Refining Sector - As of November 7, 2025, the domestic key refining project price differential is 2327.79 CNY/ton, with a week-on-week increase of 18.00 CNY/ton (+0.78%); the international key refining project price differential is 1361.85 CNY/ton, with a week-on-week increase of 56.54 CNY/ton (+4.33%) [1][2] - Brent crude oil's average weekly price is 64.23 USD/barrel, with a week-on-week change of -1.45% [1][2] - The refining sector is experiencing mixed signals due to U.S.-China trade negotiations and OPEC+ production decisions, leading to fluctuations in international oil prices [2] Chemical Sector - The chemical sector shows overall weak supply and demand, with cost declines not resulting in significant price differential improvements [3] - Polyolefin prices are fluctuating, while pure benzene and styrene prices are slightly declining, leading to narrowed price differentials [3] - Polyester filament yarn market shows slight upward movement due to stable supply, but overall purchasing willingness remains low due to weak downstream demand [3] Stock Performance of Major Refining Companies - As of November 7, 2025, stock price changes for six major private refining companies include: Rongsheng Petrochemical (+5.99%), Hengli Petrochemical (+8.02%), Dongfang Shenghong (+2.71%), Hengyi Petrochemical (-0.73%), Tongkun Co. (+6.82%), and Xin Fengming (+6.17%) [4] - Over the past month, stock price changes include: Rongsheng Petrochemical (+11.92%), Hengli Petrochemical (+13.13%), Dongfang Shenghong (-0.53%), Hengyi Petrochemical (+3.20%), Tongkun Co. (+1.20%), and Xin Fengming (+3.88%) [4]