化工产业链：聚酯、苯乙烯下游开工下滑，市场或震荡偏弱

Group 1 - The core viewpoint of the article highlights the ongoing weakness in the chemical industry chain, with various products in the energy and chemical markets experiencing fluctuations despite some temporary boosts from crude oil prices [1] - The polyester operating rate has fallen below 90%, with a significant decline of 7% in the last two weeks for both the spinning and weaving operating rates [1] - The downstream operating rates for styrene have also decreased, with the largest downstream EPS operating rate dropping by 4.8% [1] Group 2 - Crude oil prices are experiencing fluctuations as OPEC+ considers increasing production in September, leading to a continued consolidation in the market [1] - The cost support for LPG is weakening, maintaining a loose fundamental outlook, while asphalt and high-sulfur fuel oil face significant downward pressure [1] - Methanol's spot support is limited, and the market is expected to remain volatile, while urea supply and demand are both weak, with short-term fluctuations anticipated [1] Group 3 - Ethylene glycol's downstream operating rate has declined, while its own operating rate has increased, indicating a bearish outlook in the short term [1] - PX and PTA have rebounded due to a general rise in commodity prices, while short fiber operating rates remain stable, following raw material fluctuations [1] - The market outlook for the energy and chemical sectors is expected to remain weak, awaiting new supply and demand drivers [1]