Xinda Securities·2025-11-23 07:03Investment Rating - The report does not explicitly state an investment rating for the oil refining industry. Core Insights - The report highlights that spring orders are beginning to be released in certain regions, and the profitability of polyester filament continues to improve [1]. Summary by Sections Domestic and International Refining Project Price Differentials - As of November 21, 2025, the domestic key refining project price differential is 2389.69 CNY/ton, with a week-on-week increase of 52.43 CNY/ton (+2.24%). The international key refining project price differential is 1446.16 CNY/ton, with a week-on-week increase of 6.66 CNY/ton (+0.46%) [2][3]. Refining Sector - The report notes that the end of the U.S. government shutdown is expected to boost demand. Geopolitical tensions, particularly the attack on the Russian port of Novorossiysk, raise concerns about supply disruptions from Russia. The Brent and WTI crude oil prices as of November 21, 2025, are 62.56 USD/barrel and 58.06 USD/barrel, respectively, reflecting decreases of 1.83 USD and 2.03 USD from the previous week [2][15]. Chemical Sector - The chemical price differentials are showing a fluctuating trend. Polyethylene prices are stable, while polypropylene demand remains weak, leading to price declines. The report indicates that the price of pure benzene remains stable, with a slight increase in its price differential [2][57]. Polyester & Nylon Sector - Demand for polyester filament is gradually being released, with product prices and profits showing slight increases. The report mentions that two new production facilities have been commissioned, although they have not yet started production. The prices of nylon fiber products have slightly increased, while the price differential has significantly decreased [2][57]. Stock Performance of Major Refining Companies - As of November 21, 2025, the stock price changes for six major private refining companies over the past week are as follows: Rongsheng Petrochemical (-9.17%), Hengli Petrochemical (-5.29%), Dongfang Shenghong (-3.44%), Hengyi Petrochemical (-3.01%), Tongkun Co. (-6.04%), and Xin Fengming (-9.63%). Over the past month, stock price changes are: Rongsheng Petrochemical (+4.58%), Hengli Petrochemical (+14.38%), Dongfang Shenghong (+7.91%), Hengyi Petrochemical (+10.44%), Tongkun Co. (+11.55%), and Xin Fengming (+7.98%) [2].