Shenwan Hongyuan Securities·2025-08-03 12:43Investment Rating - The report maintains a positive outlook on the polyester industry, particularly for polyester filament yarn, with expectations for improved profitability during the peak season [4][6][19]. Core Insights - The profitability of polyester filament yarn has shown signs of improvement since late July, following a period of weak demand due to export tariffs and seasonal factors [6][7]. - The report highlights that the current inventory pressure is primarily concentrated in the downstream textile sector, with downstream fabric inventory at a high of 30.57 days and filament raw material inventory at a low of 9.85 days [14][15]. - The upstream oil sector is experiencing rising oil prices, with Brent crude oil futures closing at $69.67 per barrel, reflecting a 1.8% increase week-on-week [23][24]. - The refining sector is seeing mixed results, with overseas refined oil crack spreads increasing, while olefin price spreads show variability [54][56]. Summary by Sections Polyester Sector - Polyester filament yarn profitability is gradually improving, with price spreads for POY, FDY, and DTY reaching 1211, 1516, and 1200 CNY/ton respectively as of August 1 [7][19]. - The overall operating rate for polyester filament yarn remains around 90%, while downstream textile enterprises are operating at a low of 50.4% [15][19]. Upstream Sector - Brent crude oil prices have increased, with a week-on-week rise of 1.8%, and WTI prices up by 3.33% [23][24]. - The report notes a decrease in the number of active drilling rigs in the U.S., with a total of 540 rigs as of August 1, down by 2 from the previous week [34]. Refining Sector - The report indicates that the Singapore refining margin for major products has increased to $15.48 per barrel, while domestic refining margins remain at lower levels [54][56]. - The report suggests that refining profitability may improve as economic recovery progresses, despite current low margins [54][56]. Investment Recommendations - The report recommends focusing on leading companies in the polyester sector such as Tongkun Co. and Wankai New Materials, as well as high-quality refining companies like Hengli Petrochemical and Sinopec [19].