1. Report Industry Investment Ratings No investment ratings are provided in the reports. 2. Core Views of the Reports Polyester Industry - PX: Short - term supply is stable, affected by macro - sentiment and terminal restocking, but downstream PTA maintenance and weak terminal demand limit its drive. Follow macro - sentiment and oil prices, be cautious and bearish on PX09, and expand PX - SC spread at low levels [2]. - PTA: Load is around 80%, 8 - month maintenance increases, and short - term drive is limited. Be bearish on TA above 4900, conduct TA9 - 1 rolling reverse arbitrage, and expand PTA processing margin at low levels [2]. - Ethylene Glycol: Supply turns loose in August, but affected by macro factors. EG99 is on the sidelines, and 9 - 1 reverse arbitrage is the main strategy [2]. - Short - fiber: Short - term supply - demand is weak, follow raw materials. Unilateral strategy is the same as TA, and PF processing margin fluctuates between 800 - 1100 [2]. - Bottle - chip: Supply is high, demand is average, and processing margin has limited upside. PR is the same as PTA, and pay attention to expanding the processing margin at the lower end of the 350 - 600 range [2]. Crude Oil Industry - Overnight oil prices rose due to geopolitical uncertainties and better - than - expected demand data. Short - term trading focuses on geopolitical risks, and the market fluctuates along the upper edge of the range. Use short - term band strategies, and capture volatility opportunities in options [7]. Pure Benzene - Styrene Industry - Pure Benzene: Third - quarter supply - demand improves slightly, but new device production limits de - stocking. Follow market sentiment, and BZ2603 follows oil prices and styrene [13]. - Styrene: Supply - demand is weak, port inventory increases, and basis weakens. EB09 is rolling bearish [13]. Methanol Industry - Supply is high, port inventory may increase in August, downstream demand is weak, and MTO profit is low. Expand MTO09 profit at low levels [29]. Polyolefin Industry - In August, supply pressure increases for PP and PE, demand has potential restocking conditions, and overall valuation is moderately high. PP is bearish unilaterally (7200 - 7300), and hold LP01 [32]. Urea Industry - The disk rebounds slightly, but the core contradiction remains. Supply is high, export policies limit demand, and inventory pressure increases. Pay attention to autumn fertilizer progress and device restart [34]. Chlor - Alkali Industry - Caustic Soda: The disk is strong, and the spot is stable. Supply increases and inventory may rise. The price is expected to be stable, and pay attention to risk avoidance [37][40]. - PVC: The disk sentiment recovers. Supply may increase, domestic demand is weak, and export expectations are good. The supply exceeds demand, and be cautious in the short - term [37][40] 3. Summary According to Relevant Catalogs Polyester Industry - **Prices and Cash Flows**: On July 29, most polyester product prices and cash flows changed slightly. For example, Brent crude (September) rose to $72.51/barrel, and POY150/48 cash flow was - 24 yuan/ton [2]. - **Inventory and Supply - Demand**: MEG port inventory decreased slightly, and PTA device maintenance increased in August. Terminal demand showed signs of restocking but was still weak [2]. - **Operating Rates**: The operating rates of polyester - related industries changed slightly, with some increasing and some decreasing [2]. Crude Oil Industry - **Prices and Spreads**: On July 30, Brent rose to $72.51/barrel, and WTI slightly decreased. Spreads such as Brent - WTI changed [7]. - **Driving Factors**: Geopolitical risks and demand data drove oil prices, while OPEC+ production increase limited long - term gains [7]. Pure Benzene - Styrene Industry - **Prices and Spreads**: On July 29, pure benzene and styrene prices changed slightly, and related spreads also changed [12]. - **Inventory and Operating Rates**: Pure benzene port inventory decreased slightly, and the operating rates of related industries changed [13]. Methanol Industry - **Prices and Spreads**: On July 29, methanol futures prices rose, and basis and spreads changed [29]. - **Inventory and Operating Rates**: Methanol enterprise, port, and social inventories decreased, and upstream and downstream operating rates changed [29]. Polyolefin Industry - **Prices and Spreads**: On July 29, polyolefin futures and spot prices changed slightly, and basis and spreads changed [32]. - **Supply and Demand**: In August, supply pressure increased, and demand had potential restocking conditions [32]. Urea Industry - **Prices and Spreads**: On July 29, urea prices in different regions changed slightly, and spreads also changed [34]. - **Supply and Demand**: Supply was high, device maintenance decreased, and export demand was restricted [34]. Chlor - Alkali Industry - **Prices and Spreads**: On July 29, caustic soda and PVC prices changed, and spreads and basis changed [37]. - **Inventory and Operating Rates**: Chlor - alkali operating rates and downstream demand operating rates changed, and inventory also changed [37][38][39][40]