Investment Rating - The report does not explicitly state an investment rating for the petrochemical industry. Core Insights - The report highlights the impact of production cuts in caprolactam on pricing stability, while the price spread for nylon fibers has narrowed [2]. - Domestic key refining project price spread increased to 2425.48 CNY/ton, a week-on-week rise of 29.04 CNY/ton (+1.21%), while international key refining project price spread decreased to 1277.36 CNY/ton, a decline of 151.77 CNY/ton (-10.62%) [3]. - Brent crude oil weekly average price was reported at 63.18 USD/barrel, reflecting a decrease of 1.05% [2]. Refining Sector Summary - The report discusses the geopolitical situation regarding the Russia-Ukraine peace plan, which has led to fluctuations in international oil prices. Brent and WTI crude prices were reported at 63.20 and 58.55 USD/barrel respectively, with slight increases from the previous week [14]. - Domestic refined oil prices showed minor fluctuations, with diesel, gasoline, and aviation kerosene averaging 6787.00, 7603.14, and 5905.76 CNY/ton respectively [14]. Chemical Sector Summary - The chemical products market experienced a general decline in prices due to weak demand, with notable decreases in polyethylene price spreads [2]. - The report indicates that the nylon fiber price spread has narrowed significantly due to rising costs in the caprolactam market, despite being in a traditional demand off-season [2]. Polyester & Nylon Sector Summary - Polyester cost remained stable, while nylon costs increased significantly, leading to a notable narrowing of the price spread for nylon fibers [2]. - The report mentions that the polyester upstream prices for PX and MEG have slightly decreased, while PTA prices have shown a slight increase [2]. Key Refining Companies Performance - The report provides stock performance data for six major refining companies, with notable weekly changes including Rongsheng Petrochemical (-0.92%) and Xin Fengming (+7.08%) [2].