1. Report Industry Investment Ratings No information about industry investment ratings is provided in the reports. 2. Core Views of the Reports Chlor - Alkali Industry - The caustic soda futures price may have limited downside space. The spot price may remain firm in the short - term due to low inventory pressure on caustic soda enterprises and expected supply decline. Attention should be paid to the alumina plant's purchasing rhythm and device fluctuations [2]. - The PVC futures price will continue to be weakly volatile. The supply - demand pressure increases, and the demand has not improved. Although in the traditional peak season, the demand remains sluggish. The cost side provides some support [2]. Methanol Industry - On the supply side, inland maintenance devices are expected to gradually resume in early September, and the import volume will still be large. On the demand side, traditional downstream sectors are still weak. The port has been significantly accumulating inventory, and the basis is weak. The key is to focus on the inventory digestion rhythm [5]. Urea Industry - The urea futures price is running weakly due to the short - term imbalance of domestic supply - demand fundamentals. The supply is abundant, while the demand is weak, leading to inventory accumulation in factories [11]. Crude Oil Industry - The overnight oil price continued to fluctuate widely. The current oil price is supported by geopolitical premiums, but the upside space is restricted by the loose fundamentals. It is recommended to mainly observe on the long - short side and wait for opportunities to expand the spread on the options side [44]. Polyester Industry Chain - PX: The supply is gradually increasing to a relatively high level, and the mid - term supply - demand is expected to be tight. The price has support at the low level, but the upside space of the rebound is limited. It is recommended to treat PX11 as a short - term shock between 6600 - 6900 [39]. - PTA: The supply - demand in September is expected to be tight, but the basis and processing fee repair drive are limited. It is recommended to treat TA as a short - term shock between 4600 - 4800 and mainly conduct TA1 - 5 rolling reverse spreads [39]. - Ethylene glycol: The supply - demand pattern is strong in the near - term and weak in the long - term. It is expected to slightly reduce inventory in September and enter the inventory accumulation channel in the fourth quarter. Attention should be paid to the support of EG01 at around 4300 and the EG1 - 5 reverse spread opportunity [39]. - Short - fiber: The short - term supply - demand pattern is still weak, following the raw material fluctuations. The unilateral strategy is the same as that of PTA, and the processing fee on the disk fluctuates between 800 - 1000 [39]. - Bottle chips: In September, the supply and demand may both decrease, and the inventory is expected to increase. PR follows the cost fluctuations, and the processing fee has limited upside space [39]. Polyolefin Industry - For PP, the loss of PDH is intensifying, and the basis has weakened rapidly. For PE, the current maintenance is still at a relatively high level, and the supply pressure is relatively limited in the short - term. The overall market will present a pattern of "decreasing supply and increasing demand" [49][51]. Pure Benzene - Styrene Industry - Pure benzene: The supply in September is lower than expected, and the demand support is weakening. The supply - demand is expected to be loose, and the price is driven by the strong oil price. BZ2603 is expected to follow styrene and fluctuate strongly [57]. - Styrene: The short - term drive is weak, but the supply - demand is expected to improve in the future. The price is supported by the oil price, but the rebound space is limited by high inventory. EB10 can be treated with low - buying on a rolling basis, and attention should be paid to the pressure around 7200 and the spread expansion between EB11 - BZ11 [57]. 3. Summaries According to Relevant Catalogs Chlor - Alkali Industry - **Prices**: The spot prices of caustic soda and PVC remained stable on September 10, while the futures prices showed different degrees of changes. For example, SH2509 of caustic soda increased by 7.0%, and V2509 of PVC increased by 0.1% [2]. - **Supply**: The caustic soda industry's operating rate is expected to decline next week due to maintenance. The PVC supply has an upward expectation as some device maintenance is restored [2]. - **Demand**: The demand for caustic soda is expected to weaken, especially from the alumina industry. The PVC demand has not improved, and downstream product enterprises maintain a low operating rate [2]. - **Inventory**: The liquid caustic soda inventory in East China factories decreased, while the PVC upstream factory inventory and total social inventory increased slightly [2]. Methanol Industry - **Prices**: On September 10, the methanol futures and spot prices showed different degrees of increase. For example, MA2601 increased by 0.38%, and the spot price in Inner Mongolia's northern line increased by 1.31% [4]. - **Inventory**: The methanol enterprise inventory, port inventory, and social inventory all increased. The port inventory increased by 8.59% [4]. - **Operating Rate**: The upstream domestic and overseas enterprise operating rates increased, while some downstream operating rates decreased, such as the formaldehyde and glacial acetic acid operating rates [5]. Urea Industry - **Prices**: The urea futures price is running weakly. The spot prices in different regions showed little change on September 10 [11]. - **Supply**: The daily output of urea remains at a high level, and some maintenance devices are expected to resume production [11]. - **Demand**: The agricultural demand is in the off - season, and the industrial demand is for rigid procurement, resulting in insufficient total demand [11]. - **Inventory**: The domestic urea factory inventory increased, while the port inventory remained unchanged [11]. Crude Oil Industry - **Prices**: On September 11, the prices of Brent, WTI, and SC crude oil increased slightly. The spreads between different contracts and regions also changed [44]. - **Supply - Demand Data**: According to EIA data, the U.S. crude oil production, refinery operating rate, and various inventory changes are shown in the report [14]. Polyester Industry Chain - **Prices**: On September 10, the prices of upstream crude oil, naphtha, and PX increased slightly, while the prices of some downstream polyester products decreased, such as the polyester bottle chip price [39]. - **Operating Rate**: The operating rates of PX, PTA, MEG, and polyester products showed different degrees of changes. For example, the Asian PX operating rate increased by 0.9% [39]. - **Inventory**: The MEG port inventory is at a low level, and the arrival volume in early September is moderately low [39]. Polyolefin Industry - **Prices**: On September 10, the futures prices of LLDPE and PP showed small changes, and the spot prices remained stable [49]. - **Operating Rate**: The PE device operating rate decreased slightly, and the PP device operating rate increased. The downstream weighted operating rates of both increased slightly [49]. - **Inventory**: The PE enterprise inventory increased, and the PP enterprise inventory decreased. The PP trader inventory increased [49]. Pure Benzene - Styrene Industry - **Prices**: On September 10, the prices of upstream crude oil, naphtha, and pure benzene increased slightly, while the price of styrene remained stable [57]. - **Operating Rate**: The operating rates of some pure benzene and styrene downstream products decreased, while the styrene operating rate increased [57]. - **Inventory**: The pure benzene and styrene inventories in Jiangsu ports decreased [57].

Report Industry Investment Ratings - Acrylonitrile: ★★★ [1] - Pure Benzene: ★★★ [1] - PX: ★★★ [1] - Ethylene Glycol: ★★★ [1] - Bottle Chip: ★★★ [1] - Methanol: ★★★ [1] - Caustic Soda: ★★★ [1] - Soda Ash: ★★★ [1] - Polyolefin: ☆☆☆ [1] - Styrene: ☆☆☆ [1] - PTA: ★★★ [1] - Short Fiber: ☆☆☆ [1] - Urea: ☆☆☆ [1] - PVC: ★★★ [1] - Glass: ☆☆☆ [1] Core Viewpoints - The supply of olefins - polyolefins is polarized, with tight supply of propylene and stable supply of polyolefins. Market performance varies due to different demand situations [2] - The price of pure benzene is weakly operating, but there may be improvements in the third - quarter supply - demand situation. The price of styrene has certain support [3] - In the polyester industry, PX and PTA prices are related, and the demand for polyester products shows a positive trend, but there are also issues such as high inventory [5] - The methanol market may stabilize after a weak period, while the urea market is expected to remain weak [6] - The PVC market is under supply pressure and may decline, and the caustic soda market will likely fluctuate widely [7] - The soda ash market may be short - sold at high prices, and the glass market is expected to fluctuate widely [8] Summary by Related Catalogs Olefins - Polyolefins - Propylene futures fluctuate narrowly around the 5 - day moving average, with tight supply and strong downstream demand. Polyolefin futures are in a low - level range, with stable supply but slow demand growth [2] Pure Benzene - The price of pure benzene fluctuates above 6000 yuan/ton, with increasing supply and demand, and a weak price due to factors such as poor downstream profitability. The price of styrene has certain support due to device maintenance [3] Polyester - PX price rebounds, PTA follows up slightly, and the demand for polyester products is improving, but there are issues such as high inventory. Ethylene glycol has a strong basis, and short - fiber can be considered for long - position allocation [5] Coal Chemical Industry - The methanol market may stabilize after a weak period, with port inventory accumulation and expected demand improvement. The urea market is expected to remain weak due to factors such as high inventory and weak demand [6] Chlor - alkali Industry - PVC has supply pressure and may decline due to new device production. Caustic soda has a differentiated performance in different regions and is expected to fluctuate widely [7] Soda Ash - Glass - Soda ash supply is slightly reduced, and the market may be short - sold at high prices. Glass production capacity is increasing slightly, and the price may fluctuate widely [8]

氯碱日报 | 2025-09-10 关注烧碱下游采购节奏 市场要闻与重要数据 PVC: 期货价格及基差：PVC主力收盘价4847元/吨（-43）；华东基差-197元/吨（+23）;华南基差-97元/吨（+43）。 现货价格：华东电石法报价4650元/吨（-20）；华南电石法报价4750元/吨（+0）。 上游生产利润：兰炭价格630元/吨（+0）；电石价格2730元/吨（+0）；电石利润-64元/吨（+0）；PVC电石法生产毛 利-421元/吨（-22）；PVC乙烯法生产毛利-671元/吨（-43）；PVC出口利润13.1美元/吨（+0.1）。 PVC库存与开工：PVC厂内库存31.6万吨（+0.4）；PVC社会库存53.3万吨（+1.1）；PVC电石法开工率77.65%（+2.41%）； PVC乙烯法开工率72.59%（+3.93%）；PVC开工率76.18%（+2.85%）。 下游订单情况：生产企业预售量67.1万吨（-2.5）。 烧碱： 期货价格及基差：SH主力收盘价2569元/吨（-14）；山东32%液碱基差150元/吨（+14）。 现货价格：山东32%液碱报价870元/吨（+0）；山东50%液碱报价1 ...

聚酯产业链日报 投资咨询业务资格:证监许可 【2011】1292号 2025年9月10日 张晓珍 Z0003135 | 上游价格 | 下游聚酯产品价格及现金流 | 9月9日 | 9月8日 | 9月8日 | 品种 | 张跃 | 涨跌幅 | 单位 | 品种 | 涨跌 | 涨跌幅 | 9月9日 | 单位 | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 0.37 | 布伦特原油(11月) | 66.02 | 0.6% | POY150/48价格 | 6805 | 6855 | 66.39 | -20 | -0.3% | 美元/桶 | 0.6% | 7090 | 0.0% | WTI原油 (10月) | 62.63 | 0.37 | FDY150/96价格 | 7090 | 0 | 62.26 | | | CFR日本石脑油 | 597 | ਦੇਰੇਖ | m | ...

Report Industry Investment Ratings - Propylene, Plastic, PX, PTA, Ethylene Glycol, Short Fiber, Bottle Chip, Methanol, Urea, PVC, Caustic Soda, Soda Ash, Glass are all rated ★★★, indicating a clearer long/short trend and a relatively appropriate investment opportunity currently [1] Core Views - The overall chemical market shows a complex situation with different product trends. Some products are affected by supply - demand imbalances, cost factors, and seasonal demand changes. Attention should be paid to the balance of different product chains, oil price fluctuations, new capacity, and the rhythm of seasonal demand recovery [2][3][5] Summary by Related Catalogs Olefins - Polyolefins - Propylene futures had a narrow - range intraday consolidation. Downstream cost pressure led to reduced demand, and production enterprises were more willing to offer discounts [2] - Polyolefin futures continued to consolidate in a low - level range. PE supply increased while demand entered the traditional peak season. PP supply was relatively loose, and actual demand recovery was slow [2] Pure Benzene - Domestic benzene continued to rebound, with improved low - price demand after a decline. In the third quarter, the supply - demand situation may improve [3] - Styrene futures closed higher. Cost support was insufficient, and there was high inventory pressure at the terminal [3] Polyester - PX and PTA prices stopped falling and fluctuated at a low level. Terminal demand was improving, and attention should be paid to the balance of PX - polyester and oil price fluctuations [5] - Ethylene glycol prices fluctuated at a low level. Supply and demand were intertwined, and there was resistance to further decline [5] - Short - fiber supply and demand were stable, and prices mainly fluctuated with costs. Positive hedging could be considered if demand improved [5] - Bottle - chip profits were passively repaired, but over - capacity was a long - term pressure [5] Coal Chemical Industry - Methanol futures rose. Supply increased significantly, and inventory continued to accumulate, but the market was expected to strengthen [6] - Urea market oscillated at a low level. Domestic production decreased, but was still high year - on - year. Attention should be paid to the actual impact of Indian tenders [6] Chlor - Alkali - PVC oscillated strongly. Cost support was not obvious, and there was a game between low valuation and weak reality [7] - Caustic soda oscillated strongly. There were regional differences, and the price was expected to oscillate widely [7] Soda Ash - Glass - Soda ash was strong. The supply pressure was high, and long - term over - supply was expected. Short - selling at high rebounds was recommended [8] - Glass was strong. Spot prices continued to decline, but the price was expected to rise if the macro - sentiment improved [8]

Report Industry Investment Rating - There is no specific industry investment rating provided in the report. Core View - The PVC market continues to be weak after the weakening of macro - sentiment, with supply pressure and weak demand, and the chlorine - alkali profit still has room for compression. The caustic soda spot price is stable with a slight increase, and the non - aluminum downstream start - up rate is increasing. The chlorine - alkali profit is at a medium level compared with the same period [3][4]. Market News and Important Data PVC - **Futures and Spot Prices**: The closing price of the PVC main contract is 4883 yuan/ton (+5), the East China basis is - 213 yuan/ton (-5), and the South China basis is - 133 yuan/ton (-25). The East China calcium carbide - based PVC is quoted at 4670 yuan/ton (+0), and the South China calcium carbide - based PVC is quoted at 4750 yuan/ton (-20) [1]. - **Upstream Production Profits**: The blue charcoal price is 630 yuan/ton (+0), the calcium carbide price is 2730 yuan/ton (+0), the calcium carbide profit is - 64 yuan/ton (+0), the PVC calcium carbide - based production gross profit is - 399 yuan/ton (-176), the PVC ethylene - based production gross profit is - 628 yuan/ton (-36), and the PVC export profit is 13.7 US dollars/ton (-4.3) [1]. - **Inventory and Start - up**: The PVC in - factory inventory is 31.2 tons (+0.6), the PVC social inventory is 52.2 tons (+1.4), the PVC calcium carbide - based start - up rate is 77.65% (+2.41%), the PVC ethylene - based start - up rate is 72.59% (+3.93%), and the overall PVC start - up rate is 76.18% (+2.85%) [1]. - **Downstream Orders**: The pre - sales volume of production enterprises is 69.6 tons (-2.9) [1]. Caustic Soda - **Futures and Spot Prices**: The closing price of the SH main contract is 2593 yuan/ton (-19), the basis of 32% liquid caustic soda in Shandong is 126 yuan/ton (+19). The price of 32% liquid caustic soda in Shandong is 870 yuan/ton (+0), and the price of 50% liquid caustic soda in Shandong is 1360 yuan/ton (+0) [1]. - **Upstream Production Profits**: The single - variety profit of caustic soda in Shandong is 1728 yuan/ton (+0), the comprehensive chlorine - alkali profit in Shandong (0.8 tons of liquid chlorine) is 744.5 yuan/ton (-40.0), the comprehensive chlorine - alkali profit in Shandong (1 ton of PVC) is 642.53 yuan/ton (-10.00), and the comprehensive chlorine - alkali profit in the Northwest (1 ton of PVC) is 1418.45 yuan/ton (+0.00) [2]. - **Inventory and Start - up**: The liquid caustic soda factory inventory is 38.78 tons (+0.83), the flake caustic soda factory inventory is 2.14 tons (+0.00), and the caustic soda start - up rate is 84.20% (+1.80%) [2]. - **Downstream Start - up**: The alumina start - up rate is 85.58% (-0.20%), the printing and dyeing start - up rate in East China is 65.63% (+0.90%), and the viscose staple fiber start - up rate is 87.10% (+1.08%) [2]. Market Analysis PVC - The PVC market continues to be weak after the weakening of macro - sentiment. The supply side has increased production due to the resumption of many maintenance enterprises and new production capacity. The demand side has low downstream product start - up and weak export. The social inventory is accumulating, and the chlorine - alkali profit has room for compression [3]. Caustic Soda - The caustic soda spot price is stable with a slight increase. The supply - side start - up rate is slightly rising. The demand - side inventory in Shandong has accumulated due to transportation restrictions, but the subsequent shipment pressure is small. The non - aluminum downstream start - up rate is increasing, and the chlorine - alkali profit is at a medium level compared with the same period [4]. Strategy PVC - **Single - sided**: Cautiously bearish. - **Inter - delivery Spread**: Go short on the V01 - 05 spread when it is high. - **Inter - commodity Spread**: None [5]. Caustic Soda - **Single - sided**: Cautiously bullish. - **Inter - delivery Spread**: Go long on the SH10 - 01 spread when it is low. - **Inter - commodity Spread**: None [6].

Group 1 - The domestic liquid caustic soda market is stable with acceptable transaction volumes, particularly in Shandong where demand remains decent and transportation in Tianjin has resumed, alleviating some shipping pressures for chlor-alkali enterprises [1] - The main prices for 32% liquid caustic soda in Shandong are between 850-915 RMB/ton, while the 50% liquid caustic soda prices range from 1340-1360 RMB/ton [1] Group 2 - As of Thursday, the national average operating rate for major sample enterprises is 86.09%, down 1.25 percentage points from last week due to increased maintenance of chlor-alkali facilities [2] - The inventory of 32% liquid caustic soda in East China decreased by 18.81% to 189,650 tons as of August 20, while Shandong's inventory fell by 19.31% to 67,700 tons, indicating improved purchasing activity from downstream sectors [2] Group 3 - Following the recent military parade, transportation disruptions are expected to ease, allowing liquid caustic soda companies to resume normal supply to downstream markets, with short-term market support from demand [3] - The current low inventory levels in Shandong and the recovery in non-aluminum downstream demand are likely to keep spot prices firm, with increased purchasing activity anticipated as traders prepare for upcoming demand [3]

Report Industry Investment Rating - Not provided in the content Core Viewpoint - The report holds a view of strong current situation but weak future expectations, predicting that the off - season contracts of caustic soda are likely to operate weakly [4] Summary by Relevant Catalogs Supply Side - As of August 29, the weekly production of caustic soda reached 813,200 tons, still at a relatively high level in the past five years but showing a decline. The average operating rate dropped from a peak of 85.1% to 82.4%. The main reasons are the arrival of the autumn regular maintenance peak and temporary shutdowns of some enterprises in Shandong due to traffic control. The current maintenance capacity is 3.13 million tons, and according to the maintenance plan, 2.79 million tons and 1.31 million tons of new maintenance devices are expected in September and October respectively, with the operating rate unlikely to return to the previous high in September. However, some chlor - alkali plants have resumed production after the traffic control in Shandong was lifted [6] - The planned new production capacity this year has decreased from over 4 million tons at the beginning of the year to 2.25 million tons, with some projects postponed to next year due to environmental approval and production profit issues. Currently, Shandong Hydrogen Energy New Energy, Shandong Qingdao Bay, Tianjin Bohua Chemical, and Gansu Yaowang Chemical have all been put into production, and there are still 1.15 million tons of production capacity to be put into operation in the fourth quarter. The achievement rate of production capacity needs to be continuously tracked. Additionally, about 19.25 million tons of caustic soda production capacity is over 20 years old, accounting for 39% of the total capacity. Since the industry is still profitable overall, the impact of the "anti - involution" policy is expected to be limited, and policy changes need to be continuously observed [6] Demand Side - In terms of alumina demand, as of August 29, the latest weekly output of alumina reached 1.847 million tons, at a high level this year. Alumina plants are still profitable, and with the increase in new production in the fourth quarter, the output is expected to rise steadily. Although the alkali - preparation demand before production is lower than that in the first half of the year, the incremental daily alkali consumption demand will still strongly support the caustic soda consumption this year [14] - In terms of non - aluminum demand, the cumulative output of viscose staple fiber in the first seven months of this year was 2.89 million tons, a slight increase of 1.7% compared with the same period last year. The recent seasonal peak season has driven an increase in alkali - preparation demand. The overall starting rate of the printing and dyeing industry is lower than last year, but it has also entered the seasonal peak season recently, with the starting rate rising compared to the previous period. The elasticity and sustainability of peak - season demand need to be continuously observed [14] Market Outlook - The demand side of caustic soda is currently in the early stage of the seasonal peak season. The production has declined due to autumn maintenance, and the inventory has decreased temporarily. The spot price is expected to remain strong in the short term. However, as the peak - season demand fades and the autumn - maintenance production capacity returns, coupled with the fact that the caustic soda inventory this year is still at a high level in recent years, the supply of caustic soda is expected to return to an oversupply situation after October. Therefore, if the seasonal peak season and the overall optimistic sentiment in the commodity market drive the off - season 01 contract to rise significantly to an overvalued level, short positions can be established at high prices after the market fluctuations stabilize or after the warehouse receipts start to be registered. The reference operating range for SH2601 is 2,200 - 2,800 yuan per ton. The changes in peak - season inventory, the registration volume of warehouse receipts, and the progress of alumina production capacity commissioning need to be continuously tracked [3][19]

Report Industry Investment Ratings - Not provided in the given content Core Views - **Polyester Industry**: Short - term PX, PTA, short - fiber, and bottle - chip prices follow oil prices, with limited upward drivers. Ethylene glycol has a "strong present, weak future" pattern. Strategies vary by product, such as PX11 and TA being under observation, and attention to support levels [2]. - **Fertilizer Industry**: Urea futures face pressure due to weak demand and high supply. It is advisable to monitor the recovery of industrial demand in North China after the parade [5]. - **Methanol Industry**: Methanol supply is abundant in September, while traditional downstream demand is weak. Attention should be paid to the restart of port MTO devices and inventory digestion [12]. - **Crude Oil Industry**: OPEC + supply news increases concerns about a supply surplus in the fourth quarter. The oil price is likely to be weak, and a bearish strategy is recommended [15]. - **Polyolefin Industry**: In September, the polyolefin market shows a pattern of "decreased supply and increased demand", with controllable inventory pressure. It is suggested to hold the expanding position of the LP01 contract [22]. - **Chlor - alkali Industry**: Caustic soda prices may remain firm in the short - term, and PVC is expected to continue weak and volatile [30]. - **Pure Benzene - Styrene Industry**: Short - term pure benzene and styrene prices are under pressure, but the downward space is limited if oil prices do not drop sharply. For EB10, short - term support around 6900 can be monitored [34]. Summaries by Related Catalogs Polyester Industry - **Prices and Cash Flows**: On September 3, Brent crude oil (November) was at $67.60/barrel, down 2.2%. Most polyester product prices were stable or slightly decreased, and cash flows showed different changes [2]. - **Supply and Demand**: PX supply is expected to increase, while demand has limited upward potential. PTA supply - demand prospects have improved, but the implementation of device maintenance is not as expected. Other products also have their own supply - demand characteristics [2]. Fertilizer Industry - **Prices and Supply - Demand**: On September 3 - 5, most fertilizer product prices were stable, and urea production and inventory data showed small fluctuations. Urea demand is weak, and supply is relatively sufficient [5]. Methanol Industry - **Prices and Inventory**: On September 3, MA2601 closed at 2382 yuan/ton, up 0.42%. Methanol enterprise, port, and social inventories all increased [12]. - **Supply and Demand**: In September, methanol supply is high, and traditional downstream demand is weak. Attention should be paid to the restart of port MTO devices [12]. Crude Oil Industry - **Prices and Spreads**: On September 4, Brent was at $67.39/barrel, down 0.31%. Most oil - related prices and spreads changed slightly, and the crack spread of refined oil increased slightly [15]. - **Supply and Demand**: OPEC + supply news intensifies concerns about a supply surplus in the fourth quarter, and the oil price is likely to be weak [15]. Polyolefin Industry - **Prices and Inventory**: On September 3, L2601 closed at 7247 yuan/ton, down 0.07%. PE and PP enterprise and social inventories increased [22]. - **Supply and Demand**: In September, PE supply pressure is limited, and PP shows a pattern of "both supply and demand increasing". Downstream demand has increased slightly [22]. Chlor - alkali Industry - **Prices and Inventory**: On September 3, the price of Shandong 32% liquid caustic soda was stable, and the price of PVC was also stable. Chlor - alkali inventories showed different changes [30]. - **Supply and Demand**: Caustic soda supply will gradually recover, and demand may increase. PVC supply is expected to increase, while demand remains weak [30]. Pure Benzene - Styrene Industry - **Prices and Inventory**: On September 3, CFR China pure benzene was at $734/ton, up 0.8%. Pure benzene and styrene port inventories increased [34]. - **Supply and Demand**: Pure benzene supply is expected to remain high, and demand support is weakening. Styrene supply is high in the short - term, but there are expectations of improvement in supply - demand later [34].

Industry Investment Ratings No information provided regarding industry investment ratings. Core Views Polyester Industry - PX supply is expected to increase due to the restart of maintenance devices and good short - process benefits. Demand has some support but limited upside. PX11 is under observation, with support around 6600 and attention on oil price trends [2]. - PTA supply - demand is near a tight balance in September. Although the device maintenance execution is not as expected, the low absolute price is supported, but the driving force is limited. TA is under observation, paying attention to the support around 4600 and oil price trends [2]. - Ethylene glycol has a "strong reality, weak expectation" supply - demand pattern. Short - term futures have limited downside, but the fourth - quarter supply - demand is weak. Attention is paid to the support of EG2601 around 4300 [2]. - Short - fiber supply - demand is expected to improve in September, but the destocking amplitude is limited. It follows raw material fluctuations, with the disk processing fee oscillating between 800 - 1100 [2]. - Bottle - chip supply and procurement may both decrease in September, with inventory expected to increase. PR follows the cost - end fluctuation, and the processing fee has limited upside [2]. Urea Industry - Urea futures prices fell due to weak demand and high - supply pressure. Domestic agricultural and industrial demand is weak, and export demand is also under pressure. The market supply is sufficient, and the futures price may be under pressure. Attention is paid to the recovery of industrial demand in North China after the parade [8]. Methanol Industry - Methanol supply is expected to increase with the return of inland maintenance devices and high - level imports in September. Traditional downstream demand is weak. The market is under pressure due to significant inventory accumulation, and attention is paid to the inventory digestion rhythm [10][11][12]. Crude Oil Industry - Overnight oil prices fell due to concerns about increased OPEC+ supply in the fourth quarter. The disk may run weakly, with support levels for WTI at [62, 63], Brent at [65, 66], and SC at [470, 480]. Options can wait for opportunities to expand after increased volatility [19]. Polyolefin Industry - PE supply pressure is relatively limited in the short - term, and PP shows a "supply - demand double - increase" situation. Downstream industry开工率 has increased, but new orders have limited support. In September, the market shows a "supply - decrease, demand - increase" pattern, and it is recommended to hold the expanding position of the LP01 contract [23]. Chlor - alkali Industry - Caustic soda market is supported by rigid demand, with low inventory in Shandong. The spot price may remain firm, and the disk callback space is limited. Attention is paid to downstream purchasing rhythm and device fluctuations [48]. - PVC supply - demand remains oversupplied. Supply is expected to increase in September, while demand remains weak. It is expected to continue weak and volatile, with cost - end support [48]. Pure Benzene and Styrene Industry - Pure benzene supply is expected to remain high, while demand support is weak. Short - term absolute price is under pressure, but the downward space is limited if oil prices do not fall deeply [53]. - Styrene supply is high in the short - term, with weak driving force. However, there is an expectation of supply - demand improvement later. EB10 can be lightly long at low positions, and mainly short on rebounds later [53]. Summary by Directory Polyester Industry - **Prices and Spreads**: On September 3, WTI crude oil (October) was at 63.97 dollars/barrel, down 1.62 dollars or 2.5% from the previous day. Various polyester product prices and spreads changed, such as PTA, MEG, and different polyester fiber prices [2]. - **Inventory and Expected Arrival**: MEG port inventory was 44.9 million tons on September 1, down 10.2% from August 25, and the expected arrival was 4.4 million tons, up 122.7% [2]. - **Industry开工率**: Asian PX开工率 was 75.6% on August 29, down 0.7% from August 22; PTA开工率 was 70.4%, down 1.2% [2]. Urea Industry - **Futures and Spot Prices**: On September 3, the 01 - contract futures price was 1714 yuan/ton, down 1.83% from the previous day. Spot prices in different regions had different changes [7][8]. - **Supply and Demand**: Domestic urea daily output was 18.80 million tons on September 5, down 0.93% from September 4. Factory inventory increased slightly, and order days decreased [8]. Methanol Industry - **Prices and Spreads**: On September 3, MA2601 closed at 2382 yuan/ton, up 0.42% from the previous day. There were also changes in various price spreads and regional price differences [10]. - **Inventory**: As of Wednesday, methanol enterprise inventory was 34.1083%, up 2.31%; port inventory was 142.8 million tons, up 9.88% [11]. - **开工率**: Upstream domestic enterprise开工率 was 72.19% on Thursday, down 1.12% from the previous value; downstream MTO device开工率 was 78.56%, up 2.13% [12]. Crude Oil Industry - **Prices and Spreads**: On September 4, Brent was at 67.39 dollars/barrel, down 0.31% from the previous day; WTI was at 63.75 dollars/barrel, down 0.34% [19]. - **Refined Oil**: NYM RBOB was at 200.90 cents/gallon on September 4, down 0.15% from the previous day. Refined oil cracking spreads had different changes [19]. Polyolefin Industry - **Prices and Spreads**: On September 3, L2601 closed at 7247 yuan/ton, down 0.07% from the previous day. There were also changes in price spreads and basis [23]. - **Inventory and开工率**: PE enterprise inventory on Wednesday was 45.1 million tons, up 5.57%; PP装置开工率 on Thursday was 80.2%, up 2.6% [23]. Chlor - alkali Industry - **Prices and Spreads**: On September 3, Shandong 32% liquid caustic soda equivalent - to - 100% price was 2718.8 yuan/ton, unchanged from the previous day. PVC prices and price spreads also had changes [48]. - **Supply and Demand**: Caustic soda industry开工率 was 85.4% on August 29, down 0.8% from August 22; PVC total开工率 was 73.3%, down 2.3% [48]. Pure Benzene and Styrene Industry - **Prices and Spreads**: On September 3, CFR China pure benzene was at 734 dollars/ton, up 0.8% from the previous day. Styrene - related prices and spreads also changed [53]. - **Inventory and开工率**: Pure benzene Jiangsu port inventory was 1.10 million tons on September 1, up 8.0% from August 25; domestic pure benzene开工率 was 79.2% on August 29, up 0.2% from August 22 [53].