终端缓慢恢复，供应端压力较大

Report Industry Investment Rating - Not mentioned in the provided content Core Viewpoints - The suspension of the 24% tariff between China and the US for 90 days is a macro - level positive, but the market has returned to fundamental trading after a slight boost. PE supply is recovering with the restart of previously shut - down plants and new capacity from Jilin Petrochemical, while PP has low current overall开工率 but future supply pressure is high with the upcoming commissioning of Ningbo Daxie Petrochemical's new PP plant. Upstream and mid - stream inventories of polyolefins are accumulating, cost support is weak, and downstream demand is gradually transitioning to the peak season [2] Summary by Directory 1. Polyolefin Basis Structure - The L main contract closed at 7313 yuan/ton (-16), and the PP main contract closed at 7107 yuan/ton (+16). LL North China spot was 7270 yuan/ton (+20), LL East China spot was 7300 yuan/ton (+20), and PP East China spot was 7040 yuan/ton (+0). LL North China basis was - 43 yuan/ton (+36), LL East China basis was - 13 yuan/ton (+36), and PP East China basis was - 67 yuan/ton (-16) [1] 2. Production Profit and Operating Rate - PE operating rate was 84.1% (+3.0%), and PP operating rate was 77.3% (+0.4%). PE oil - based production profit was 404.4 yuan/ton (+35.8), PP oil - based production profit was - 75.6 yuan/ton (+35.8), and PDH - based PP production profit was 174.2 yuan/ton (-50.9) [1] 3. Polyolefin Non - Standard Price Difference - Not elaborated on in the provided content 4. Polyolefin Import and Export Profit - LL import profit was - 78.8 yuan/ton (-4.7), PP import profit was - 513.4 yuan/ton (-4.8), and PP export profit was 31.2 US dollars/ton (+0.6) [1] 5. Polyolefin Downstream Operating Rate and Downstream Profit - PE downstream agricultural film operating rate was 13.1% (+0.4%), PE downstream packaging film operating rate was 49.3% (+0.6%), PP downstream plastic weaving operating rate was 41.1% (+0.0%), and PP downstream BOPP film operating rate was 60.8% (+0.0%) [1] 6. Polyolefin Inventory - Not elaborated on in the provided content Strategy - Unilateral: Neutral; - Inter - delivery spread: 09 - 01 reverse spread; - Inter - variety: None [3]