1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - The macro - sentiment is weak due to the Fed's 25 - basis - point interest rate cut, increased risks of employment decline and inflation rise, and the geopolitical situation in the Middle East is heating up, causing oil prices to fluctuate at a high level. The prices of PX, PTA, MEG, PF, and PR in the polyester industry chain are all expected to show a volatile trend. The supply and demand of each product have different changes, and their prices are greatly affected by oil prices and the macro - situation [8]. 3. Summary According to the Directory 3.1 Chapter 1: Comprehensive Analysis and Trading Strategies - **PX&PTA**: PX and PTA have both supply and demand decreasing. PX has some device maintenance and production plans adjustment, and PTA's processing fee is compressed. The price is affected by oil prices and the macro - situation, with a trading strategy of unilateral oscillation, and arbitrage and options on the sidelines [8]. - **MEG**: Supply decreases and demand increases this week, and the supply is expected to increase in the future. The port inventory is low, and the short - term price is expected to oscillate. The trading strategy is unilateral oscillation, and arbitrage and options on the sidelines [8]. - **PF**: Short - fiber factory inventory decreases, and the processing fee strengthens slightly. The downstream is in a loss state, and the price follows the raw material trend. The trading strategy is unilateral oscillation, and arbitrage and options on the sidelines [8]. - **PR**: The market trading atmosphere is dull, the factory starts to decline, and the processing fee strengthens slightly. The supply is still relatively abundant, and the demand is transitioning from peak to off - peak season. The trading strategy is unilateral oscillation, and arbitrage and options on the sidelines [8]. 3.2 Chapter 2: Core Logic Analysis 3.2.1 Polyester - The polyester production and sales are weak this week, the start - up rate decreases, and the processing fee strengthens slightly. The traditional peak season has limited order volume, and the inventory reduction is slow. Different polyester products have different profit situations [11]. 3.2.2 PX - The spot floating price, basis, and monthly spread of PX continue to weaken. The start - up rate is still at a high level, and the profit of long - and short - process devices is slightly compressed [29][31][36]. 3.2.3 PTA - PTA has both supply and demand decreasing, and the processing fee is further compressed. The start - up rate is expected to rise first and then fall due to device maintenance and production plans [38][40]. 3.2.4 MEG - The basis and monthly spread of MEG weaken. The supply is expected to increase due to device maintenance restarts and new device commissions, and the short - term price is expected to oscillate [42][43][51]. 3.3 Chapter 3: Weekly Data Tracking 3.3.1 PX - **Price**: It shows the price trends of PX and related products in the industrial chain [55]. - **Variety Spread & Profit**: It presents the spreads and profits between PX and other varieties [60]. - **Disproportionation and Oil - Blending Spread & Profit**: It shows the spreads and profits related to PX disproportionation and oil - blending [64]. - **Regional Spread & Profit**: It shows the spreads and profits between different regions of PX [66][67]. - **Supply and Demand**: It shows the supply and demand situation of PX, including load and start - up rate [71]. 3.3.2 PTA - **Price**: It shows the price trends of PTA and related products, as well as basis and monthly spreads [73][76]. - **Profit**: It shows the profit situation of PTA under different raw material bases [78]. - **Supply and Demand**: It shows the load and start - up rate of PTA and polyester [82]. - **Inventory**: It shows the inventory situation of PTA in different links [84]. 3.3.3 MEG - **Price**: It shows the price trends of MEG and related raw materials [86]. - **Spread**: It shows various spreads of MEG, including internal - external spreads and regional spreads [88]. - **Profit**: It shows the profit situation of MEG under different production processes [97]. - **Supply and Demand**: It shows the load and start - up rate of MEG and the inventory situation in the main port [103][105]. 3.3.4 Polyester - **Profit**: It shows the profit situation of different polyester products [108]. - **Supply**: It shows the load of different polyester products [110]. - **Inventory**: It shows the inventory situation of different polyester products [112]. - **Demand**: It shows the demand situation of polyester from different aspects such as downstream start - up rates, export data, and domestic consumption data [115][124][125].

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - For PX, last week, PXN oscillated downward. The main reasons were the postponement of PX maintenance plans, numerous unexpected maintenance of downstream PTA under low processing fees, and the delay of new device commissioning. The overall load was low, making it difficult for PX to reduce inventory. With weak terminal performance, PXN lacked the momentum to expand. Currently, PX load remains high, while downstream PTA has many unexpected short - term maintenance, with a low overall load center. The expected delay of new PTA device commissioning and PX maintenance is expected to continue the PX inventory accumulation cycle. The valuation is currently at a moderately low level. It is recommended to wait and see in the short term [11]. - Regarding PTA, last week, PXN continued to be weak, PTA processing fees rebounded, and the overall price slightly decreased. The valuation was slightly repaired, but the upward space was relatively limited. On one hand, the terminal performance continued to be weaker than expected. On the other hand, even though PTA continued to reduce inventory through maintenance, the long - term outlook was still weak under the commissioning pressure. In the future, the unexpected maintenance volume on the supply side remains high, and the inventory reduction pattern will continue. However, due to the weak long - term pattern, the processing fee space is limited. On the demand side, the inventory and profit pressure of polyester and chemical fiber are low, and the load is expected to remain high. But the weak terminal performance exerts pressure on raw materials. In terms of valuation, PXN is continuously affected by the weak terminal performance and the continuous unexpected maintenance of PTA under low processing fees. The upward valuation needs to be driven by the improvement of the terminal or the maintenance of raw materials. It is recommended to wait and see in the short term [12]. - Concerning MEG, the industrial fundamentals show that the load of domestic and overseas devices is at a high level, and the domestic supply is high. But in the short term, due to the low port arrival volume, the port inventory is expected to be low. In the medium term, as imports arrive in a concentrated manner and the domestic load is expected to remain high, coupled with the gradual commissioning of new devices, the inventory will increase in the fourth quarter. The current valuation is relatively high year - on - year. It is recommended to short - allocate on rallies under the weak outlook, but beware of the risk that the weak expectation may not be realized [13]. 3. Summary According to the Directory 3.1. Weekly Assessment and Strategy Recommendation - **PX**: The price decreased last week. The 11 - contract dropped by 118 yuan to 6594 yuan, and the spot CFR China price fell by 16 dollars to 816 dollars. The supply load decreased slightly, with the Chinese load at 86.3% (down 1.5% month - on - month) and the Asian load at 78.2% (down 0.8% month - on - month). The demand side saw a PTA load of 75.9% (down 0.9% month - on - month). Inventory is expected to accumulate. The PXN decreased to 227 dollars, and the naphtha crack spread fell to 108 dollars. It is recommended to wait and see [11]. - **PTA**: The price slightly declined. The 01 - contract dropped by 44 yuan to 4604 yuan. The supply load was 75.9% (down 0.9% month - on - month). The demand side had a polyester load of 91.4% (down 0.2% month - on - month). Inventory slightly increased, and the processing fee rebounded. It is recommended to wait and see [12]. - **MEG**: The price dropped. The 01 - contract fell by 15 yuan to 4257 yuan. The supply load was 73.8% (down 1.1% month - on - month). The demand side had a polyester load of 91.4% (down 0.2% month - on - month). Port inventory is expected to oscillate at a low level in the short term and increase in the medium term. It is recommended to short - allocate on rallies [13]. 3.2. Futures and Spot Market - **PX**: The basis oscillated, and the spread weakened. The position and trading volume increased [32][35]. - **PTA**: The basis declined, and the spread weakened. The position and trading volume were at a low level [43][46]. - **MEG**: The basis decreased, and the spread weakened. The position and trading volume were at a low level [54][62]. - **Overseas Commodity Prices**: Data on overseas prices of PX, MEG, and PTA FOB China were presented [71]. 3.3. p - Xylene Fundamentals - **Capacity and Production**: New capacity is expected to be added in 2025. The Chinese and Asian operating rates showed certain trends [76][78]. - **Import**: The import volume in July remained stable [82]. - **Inventory**: The inventory continued to decline in July [93]. - **Cost and Profit**: PXN weakened, the short - process spread was relatively strong, and the naphtha crack spread oscillated upward [97]. - **Aromatic Blending Oil**: The gasoline performance was weak, and there were various indicators and trends in aromatic blending oil [104]. 3.4. PTA Fundamentals - **Capacity and Production**: New capacity has been added in 2024 and 2025. The load showed certain fluctuations [137][140]. - **Export**: The export volume rebounded in July [142]. - **Inventory**: The inventory remained at a low level [144]. - **Profit and Valuation**: The processing fee was slightly repaired [147]. 3.5. Ethylene Glycol Fundamentals - **Capacity and Production**: New capacity is expected to be added in 2024 and 2025. The operating rate was relatively high, and the load of syngas - based devices was at a historical high [151][154]. - **Import**: The import volume slightly declined in July, and there was no import from the US [156]. - **Inventory**: The port inventory slightly increased this week [157]. - **Cost**: Coal prices rebounded, and ethylene prices slightly increased [167]. - **Profit**: The profit of naphtha - based MEG was relatively high [170]. 3.6. Polyester and Terminal - **Polyester**: New capacity of polyester filament was put into production. The basis of staple fiber and bottle chips oscillated. The operating rate slightly decreased. The inventory pressure of filament was moderate. The profit of filament was neutral, and the profit of bottle chips and staple fiber remained stable [184][187][190]. - **Terminal**: The operating rate remained stable. Orders remained stable, inventory decreased, and raw material stocking decreased. The domestic demand growth rate of textile and clothing recovered, while exports were weak. The US clothing wholesale inventory was lower than the pre - pandemic high, and the inventory increased marginally [211][219][223].

Report Summary 1. Report Industry Investment Rating - Not provided in the given content 2. Core Viewpoints - PTA: In the PTA market, the intraday crude oil prices were strong, and the low processing fees provided strong cost support for PTA. However, the ample PTA spot supply restricted its upward movement. Domestic PTA plants are gradually resuming operations, leading to an increase in domestic PTA production and a rapid decline in PTA basis. After the OPEC+ meeting, oil production was increased again, and the downstream profits were significantly restored, with the polyester operating load rising to 91% [2]. - MEG: In the MEG market, the spot price in Zhangjiagang decreased this week. The futures price first rose and then fell, and the spot market price followed suit. The basis negotiation declined. The basis of MEG weakened, and the upcoming commissioning of Yulong Petrochemical's MEG plant put pressure on the futures market. Although the arrival of overseas MEG plants decreased, the hedging positions increased after the price rebounded. The polyester inventory was in good condition, and the downstream weaving load increased [2]. 3. Summary by Relevant Catalogs Market Data - **Crude Oil**: The INE crude oil price increased from 488.1 yuan/barrel on September 15, 2025, to 493.6 yuan/barrel on September 16, 2025, with a change of 5.50 yuan/barrel [2]. - **PTA**: The PTA - SC spread decreased from 1124.9 yuan/ton to 1101.0 yuan/ton, the PTA/SC ratio decreased from 1.3171 to 1.3069. The CFR China PX price decreased from 836 to 834, and the PX - naphtha spread decreased from 238 to 226. The PTA主力期价 increased from 4672 yuan/ton to 4688 yuan/ton, the PTA现货价格 increased from 4600 yuan/ton to 4610 yuan/ton. The spot processing fee increased from 115.4 yuan/ton to 127.9 yuan/ton, and the disk processing fee increased from 187.4 yuan/ton to 215.9 yuan/ton. The PTA仓单数量 decreased from 9893 to 7889 [2]. - **MEG**: The MEG主力期价 decreased from 4288 yuan/ton to 4272 yuan/ton, the MEG - naphtha spread increased from -130.89 yuan/ton to -127.08 yuan/ton. The MEG内盘 increased from 4378 yuan/ton to 4385 yuan/ton, and the主力基差 decreased from 105 to 85 [2]. - **Polyester Products**: The prices of POY150D/48F, FDY150D/96F, and DTY150D/48F remained unchanged. The POY现金流 decreased from 60 to 49, the FDY现金流 decreased from -240 to -251, and the DTY现金流 decreased from 120 to 109. The长丝产销 decreased from 53% to 40%. The price of 1.4D直纺涤短 increased from 6535 to 6540, the涤短现金流 decreased from 235 to 229, and the短纤产销 increased from 50% to 65%. The price of半光切片 increased from 5750 to 5755, the切片现金流 decreased from 0 to -6, and the切片产销 increased from 80% to 120% [2]. Industry Operating Rates - The PX开工率 remained at 87.16%, the PTA开工率 remained at 78.25%, the MEG开工率 remained at 62.20%, and the聚酯负荷 remained at 88.78% [2]. Device Maintenance - A 2.5 - million - ton PTA plant in East China restarted last weekend after shutting down for maintenance around August 26 [2]

1. Report Industry Investment Rating No relevant content provided. 2. Core Views of the Report - PTA is expected to continue its weak oscillatory pattern in the short - term. Although the cost side provides some support and there is a mild recovery during the "Golden September and Silver October" season, with an expected increase in domestic supply, the balance sheet may shift from destocking to stockpiling. Also, the processing fee is at a low level [6]. - MEG is expected to operate weakly in the short - term. It is in a destocking cycle, but the total supply is expected to increase due to new device commissioning, and the demand side shows a slow increase in polyester load. Attention should be paid to the lower support level [6]. 3. Summary According to the Table of Contents 3.1 Upstream Industry Chain Analysis - **Market Review**: Geopolitical instability supports oil prices, but OPEC+ may increase production in October, and demand has a seasonal decline. Thus, international oil prices are expected to face pressure next week. PX supply - demand is weak due to the previous unexpected shutdown of downstream PTA devices. As of September 12, the Asian PX closing price was $831.33 per ton CFR China, up $1.33 per ton from September 5 [16]. - **PX Capacity Utilization**: There was no device change this week, and production was stable. The domestic PX weekly average capacity utilization was 84.63%, with a 0% week - on - week change. The Asian PX weekly average capacity utilization was 74.71%, up 0.27% week - on - week [19]. - **PX - Naphtha Price Spread**: As of September 12, the PX - naphtha price spread was $232.8 per ton, down $0.92 per ton from September 5. With the increase in downstream PTA operating rate, PX is entering a destocking phase, and the PX - naphtha price spread is expected to rebound [22]. 3.2 PTA Fundamental Analysis - **Market Review**: With the restart of previously overhauled PTA devices and mediocre terminal orders during the traditional peak season, the PTA balance sheet is still destocking. However, due to overall poor commodity performance and concerns about future supply increases, PTA oscillated narrowly this week. As of September 12, the PTA spot price was 4,565 yuan per ton, and the spot basis was 2601 - 79 [25]. - **Capacity Utilization**: The weekly average PTA capacity utilization reached 74.95%, up 4.30% week - on - week and down 6.33% year - on - year. The restart of previously overhauled devices led to an increase in capacity utilization. In September, with the planned and expected restart of multiple devices, the domestic PTA device capacity utilization is expected to reach around 78% [28]. - **Processing Fee**: The PTA processing fee has weakened again due to increased domestic supply and slow terminal recovery. However, with a low valuation, the further downward space is limited, and it is expected to continue its weak pattern in the short - term [30]. - **Supply - Demand in September**: In September, with insufficient PTA device overhauls and the restart of overhauled devices, and little change in demand, PTA supply - demand is expected to shift from destocking to a loose balance [33]. 3.3 MEG Fundamental Analysis - **Market Trend**: The supply - demand structure of ethylene glycol has no obvious change, and the main port inventory has reached a new low this year. However, due to new capacity commissioning and high domestic operating rates, the price decline has widened, once breaking through the 4,400 - yuan integer mark. As of September 12, the closing price of ethylene glycol in Zhangjiagang was 4,378 yuan per ton, and the delivered price in the South China market was 4,460 yuan per ton [38]. - **Domestic Production**: The total ethylene glycol capacity utilization was 66.55%, down 0.90% week - on - week. The integrated device capacity utilization was 66.92%, up 0.09% week - on - week, and the coal - based ethylene glycol capacity utilization was 65.96%, down 2.47% week - on - week. In September, with the restart of some domestic existing devices and the end of the overhaul season, the overall ethylene glycol production is expected to continue to rise [42]. - **Port Inventory**: As of September 18, 2025, the total expected arrival volume of ethylene glycol in East China was 11.28 tons. As of September 11, the total port inventory of MEG in the East China main port area was 36.32 tons, down 2.36 tons from September 8 and 1.31 tons from September 4 [43]. - **Processing Profit**: With the ethylene glycol main port inventory remaining at a low level, but new device commissioning and a pessimistic supply outlook, the ethylene glycol price declined this week. With raw material prices showing different trends, the sample profits of each ethylene glycol process showed both increases and decreases. As of September 12, the profit of naphtha - based ethylene glycol was - $102.41 per ton, down $3.99 per ton from last week, and the profit of coal - based ethylene glycol was - 53.39 yuan per ton, up 3.31 yuan per ton from last week [48]. 3.4 Downstream Demand Analysis of the Industry Chain - **Polyester Production**: The weekly average polyester capacity utilization was 87.9%, up 0.56% week - on - week. There is no clear expected change in polyester device supply next week, and domestic polyester production is expected to remain stable [51]. - **Capacity Utilization Expectation**: In August, the polyester operating rate fluctuated narrowly. In September, due to the expectation of the traditional peak season, the planned restart of some previously reduced - production and overhauled devices, and the expected commissioning of multiple new devices, the monthly polyester load is expected to increase [54]. - **Capacity Utilization of Polyester Filament**: This week, the weekly average capacity utilization of polyester filament was 91.43%, up 0.15% from the previous period. The average capacity utilization of polyester staple fiber was stable at 86.82%, up 0.37% week - on - week. The capacity utilization of fiber - grade polyester chips was 81.99%, up 1.57% week - on - week [57]. - **Product Inventory**: Downstream procurement is cautious, and the overall sales level is average. The finished product inventory of polyester filament factories has slightly accumulated this week [60]. - **Cash Flow of Polyester Products**: With the decrease in polymerization cost, the transaction center of polyester products has also decreased, but the decline is smaller than that of raw materials, resulting in a partial repair of cash flow [62]. - **Weaving Load**: As of September 11, the comprehensive operating rate of chemical fiber weaving in the Jiangsu and Zhejiang regions was 62.42%, the same as the previous data. The average terminal weaving order days were 14.55 days, an increase of 0.66 days from last week. Order recovery is less than expected, and the weaving load is expected to remain stable [67]. 3.5 Summary of Polyester Industry Chain Fundamentals - **Cost Side**: Geopolitical instability supports oil prices, but OPEC+ may increase production in October, and demand has a seasonal decline. International oil prices are expected to face pressure next week. PX supply - demand is weak due to the previous unexpected shutdown of downstream PTA devices [68]. - **Supply Side**: PTA capacity utilization has increased this week. MEG total capacity utilization has decreased slightly, with a slight increase in integrated device capacity utilization and a decrease in coal - based capacity utilization [68]. - **Demand Side**: Polyester capacity utilization has increased, and the chemical fiber weaving operating rate in the Jiangsu and Zhejiang regions has remained the same. Order recovery is less than expected, and the overall market is in a wait - and - see state [68]. - **Inventory**: PTA has a strong expectation of future supply - demand stockpiling. MEG port inventory in the East China main port area has decreased [68].

1. Report Industry Investment Rating - Not provided in the given content 2. Core Viewpoints of the Report - The overall trend of PX, PTA, and MEG in the polyester industry is weak, with supply pressure gradually emerging and demand expected to decline in the fourth quarter [3][4][6] - For PX, the unilateral trend may remain weak, and it is recommended to hold the 11 - 01 calendar spread long and the 1 - 5 calendar spread short, and take profit on the PXN compression position below $220 per ton [3] - For PTA, the unilateral trend is also weak, and the 1 - 5 calendar spread short and 11 - 1 calendar spread long are recommended, as well as going long on PX and short on PTA for the 01/05 contracts [4] - For MEG, the supply pressure is prominent, and the unilateral trend is weak. It is recommended to operate within the range of 4000 - 4400, hold the 1 - 5 calendar spread short, and go long on L and short on MEG [6] 3. Summary by Relevant Catalogs 3.1 PX 3.1.1 Valuation and Profit - PX valuation has declined significantly due to cost collapse and weakening demand. The Zhengshang PX futures forward curve has fallen back, and the 1 - 5 calendar spread has rebounded, with attention paid to the calendar spread short [16][22] - Factory hedging positions have increased, naphtha has strengthened, and PXN has weakened. The overseas oil product crack spread is relatively strong, and the gasoline crack spread in Singapore and the United States is positive [23][30] - The toluene disproportionation is in a loss state, and the toluene blending profit has strengthened. The PX - MX spread has declined month - on - month, and the short - flow plant operating rate has increased [44][49] 3.1.2 Supply and Demand, Inventory - Domestic PX supply is gradually increasing. The domestic operating rate this week is 87.8% (+4.1%), and multiple plants have restarted or increased their loads. Overseas, some Japanese plants are expected to restart [51][55] - In July, the PX import volume was 780,000 tons, and the Asian PX plant operating rate this week is 79% (+2.7%). South Korea's PX exports to China have increased [57][59] - In August, the PX inventory decreased to 3.9 million tons (-240,000 tons) [77] 3.2 PTA 3.2.1 Valuation and Profit - The 1 - 5 calendar spread of PTA is in a short position. The cost has collapsed, the price has dropped significantly, and the basis has declined. The PTA spot processing fee has fallen to a record low this year [83][91] 3.2.2 Supply and Demand, Inventory - The PTA supply is gradually increasing, with an operating rate of 76.8% (+4%) this week. Multiple plants have restarted or are expected to restart, and some plants are scheduled for maintenance in October and November [93] - PTA exports increased from July to August. The inventory is at a low level, including total inventory, factory finished product inventory, and polyester factory PTA inventory [96][109] - The Morgan Qiankun PTA position has turned short again, and the short positions of foreign capital seats have increased [114][115] 3.3 MEG 3.3.1 Valuation and Profit - The basis of MEG has increased significantly. The valuation of MEG relative to ethylene oxide, styrene, and plastics has rebounded to a record high this year [126][130] - The coal - based MEG profit has declined but still remains profitable, while the loss of naphtha - based MEG has widened to - 850 (-80) yuan per ton, and the MTO profit has deteriorated [133] 3.3.2 Supply and Demand, Inventory - The MEG supply pressure is gradually emerging. The domestic operating rate is 74.9% (+0.8%), and the coal - based operating rate is 76.7% (+2%). The coal - based load will remain high [138] - In July and August, the expected import volumes are 590,000 tons and 600,000 tons respectively, and it is expected to increase in September. Some overseas plants have restarted or are scheduled for maintenance [140][142] - The European arbitrage window for MEG is gradually closing [143]

Report Industry Investment Rating No relevant content provided. Core Viewpoints of the Report - The recovery speed of the terminal market is slow, and the upstream valuation is difficult to expand. PX, PTA, and MEG markets have different supply - demand and inventory situations. PX and MEG are expected to have inventory accumulation, while PTA is expected to continue de - stocking. The polyester end is gradually warming up, but the terminal performance is still poor. Attention should be paid to the follow - up performance of terminal orders and the opportunities of going long on dips following the raw materials during the peak season [11][12][13] Summary by Directory 1. Monthly Assessment and Strategy Recommendation - **PX**: Last month, the price first declined with crude oil and then increased due to unexpected production cuts in the raw material end. However, the actual unexpected maintenance volume was lower than expected, and the terminal performance was weak, suppressing the raw material valuation. Currently, the PX load remains high, and the downstream PTA has many unexpected short - term maintenance, with a low overall load center. But due to the commissioning of new PTA devices, the inventory accumulation range of PX is not large. The terminal and polyester data are gradually improving, and the valuation has limited downside space. However, due to the lack of driving force, PXN has limited upward momentum. The current valuation is at a moderately low level, and attention should be paid to the opportunity of going long on dips following crude oil during the peak season [11] - **PTA**: Last month, the processing fee first increased after unexpected maintenance and then was compressed again. PXN was weak due to inventory accumulation, and crude oil fluctuated downward, causing the PTA price to rise and then fall. In the future, the unexpected maintenance volume on the supply side has increased, and the inventory accumulation pattern has changed to de - stocking. However, due to the non - implementation of some maintenance, the processing fee is suppressed. On the demand side, the inventory pressure of polyester and chemical fiber is low, and the downstream and terminal operations have improved, but the terminal recovery speed is slow. In terms of valuation, PXN has limited downside space under the improved pattern brought by PTA commissioning, and the raw material end valuations are all at low levels. Attention should be paid to the opportunity of going long on dips following PX after the terminal performance improves during the peak season [12] - **MEG**: Last month, the port inventory continued to decline, providing strong support for the overall valuation. However, the valuation weakened with the news of new device commissioning plans. In terms of industry fundamentals, the maintenance devices at home and abroad have gradually started, and the operation rate has reached a high level, with a high domestic supply. However, due to the low port arrival volume in the short term, the port inventory is expected to be low. In the medium term, with the concentrated arrival of imports and the expected continuous high domestic load, the inventory will turn to accumulation in the fourth quarter. The current valuation is relatively high year - on - year, and the low short - term arrival volume supports the valuation, but there is downward pressure on the medium - term valuation [13] 2. Futures and Spot Markets - **PX**: The basis fluctuated weakly, and the spread strengthened. The open interest and trading volume of active contracts and total contracts are presented in relevant charts [32][39][42] - **PTA**: The basis gradually weakened, and the spread was weak. The open interest and trading volume of active contracts and total contracts are shown in relevant charts [45][51][54] - **MEG**: The basis first declined and then strengthened, and the spread fluctuated weakly. The open interest was at a low level, and the trading volume decreased. The open interest and trading volume of active contracts and total contracts are presented in relevant charts [57][63][66][69] - **Overseas Commodity Prices**: The overseas prices of PX, MEG, and PTA FOB China are shown in relevant charts [71][72] 3. Para - Xylene (PX) Fundamentals - **Capacity**: New capacity is expected to be added in 2025, such as the 300 - ton new capacity of Yantai Yulongdao [76] - **Supply**: The domestic and Asian PX loads are at a high level, and the maintenance volume in September is expected to further decrease, with an expected increase in production. The import volume from South Korea to China in August increased slightly [11] - **Demand**: The PTA load at the end of the month decreased slightly month - on - month. The maintenance volume in September decreased, and the average load is expected to be higher than that in August [11] - **Inventory**: The social inventory decreased year - on - year at the end of July, is expected to accumulate slightly in August, and will continue to accumulate in September [11] - **Cost and Profit**: PXN decreased by 33 dollars last month, and the short - process profit is relatively strong. The gasoline performance in the aromatics blending oil market improved slightly, and the gasoline cracking spread was weak [11][95] 4. PTA Fundamentals - **Capacity**: New capacity has been added in 2024 and 2025, such as the 250 - ton new capacity of Honggang Petrochemical (Phase III) in 2025 [127] - **Supply**: The PTA load at the end of the month decreased slightly month - on - month. The maintenance volume in September decreased, and the average load is expected to be higher than that in August [12] - **Demand**: The polyester load at the end of the month increased year - on - year, and the terminal situation has recovered but is still weak year - on - year [12] - **Inventory**: The PTA social inventory decreased year - on - month in August, and it is expected to continue de - stocking in September [12] - **Profit and Valuation**: The spot and futures processing fees increased month - on - month, but the overall processing fee is still weak [12] 5. Ethylene Glycol (MEG) Fundamentals - **Capacity**: New capacity is expected to be added in 2024 and 2025, such as the 80 - ton new capacity of Yulong Petrochemical 1 in 2025 [142] - **Supply**: The overall load of MEG has risen to a high level. The load of synthetic gas - based and ethylene - based production has increased. The import volume decreased slightly in July, and the arrival volume is expected to increase in the middle and late September [13][145] - **Demand**: The polyester load at the end of the month increased year - on - year, and the terminal situation has recovered but is still weak year - on - year [13] - **Inventory**: The port inventory decreased year - on - month, and the downstream factory inventory days decreased slightly. Although the domestic production increased in September, the port inventory is expected to remain low due to the concentrated arrival of ships in the middle and late period. In the medium term, inventory accumulation is expected [13] - **Cost and Profit**: The coal price was weakly volatile, and the ethylene price increased slightly. The valuation of MEG profit is relatively high [13][167] 6. Polyester and Terminal - **Polyester** - **Capacity**: New polyester filament devices have been commissioned, and new capacity has been added in 2024 and 2025, such as the 20 - ton new capacity of Hengchao in 2024 [184][187] - **Supply**: The operation rate has continued to recover, and the operation rates of polyester filament, short - fiber, and bottle - chip have increased [190][193] - **Inventory**: The inventory pressure of polyester filament is moderate, the short - fiber inventory is neutral year - on - year, and the bottle - chip inventory is still high [197][200] - **Profit**: The profit of polyester filament has improved [206] - **Terminal** - **Operation**: The operation rate is still weak year - on - year [210] - **Orders and Inventory**: Orders have continued to improve, inventory has decreased, and raw material inventory has increased [219] - **Consumption**: The growth rate of domestic textile and clothing demand has decreased, and exports are weak [224]

Report Summary 1) Report Industry Investment Rating No information provided. 2) Core Viewpoints - PTA: The spread between PX and naphtha has expanded, and the weakness of benzene prices has suppressed the further increase of PX production to a certain extent. The spread between PX and MX has rebounded, the downstream load of polyester has remained at around 88%, domestic PTA plants have gradually returned, and domestic PTA production has increased. With the recent improvement in sales and inventory reduction, especially the significant reduction of filament inventory, profits have been significantly repaired. However, the maintenance expectations of some downstream devices are relatively strong [2]. - Ethylene Glycol (MEG): South Korea's naphtha cracking units plan to cut production, and olefin varieties have risen significantly. The price of ethylene glycol has rebounded, and the maintenance of overseas ethylene glycol units, especially Saudi Arabian units, has been continuously postponed, which may have a significant impact on the market outlook. This has also continuously boosted the price of ethylene glycol. The later arrival volume of ethylene glycol has decreased. Polyester inventory is in good condition, and the downstream weaving load has increased [2]. 3) Summary by Relevant Catalogs a) Market Data - **INE Crude Oil**: The price rose from 483.5 yuan/barrel on September 1st to 490.4 yuan/barrel on September 2nd, an increase of 6.90 yuan/barrel [2]. - **PTA - SC**: The price decreased from 1258.4 yuan/ton to 1192.2 yuan/ton, a decrease of 66.14 yuan/ton; the ratio decreased from 1.3581 to 1.3345, a decrease of 0.0236 [2]. - **CFR China PX**: The price decreased from 848 to 846, a decrease of 2; the PX - naphtha spread decreased from 251 to 250, a decrease of 1 [2]. - **PTA**: The main contract futures price decreased from 4772 yuan/ton to 4756 yuan/ton, a decrease of 16.0 yuan/ton; the spot price increased from 4720 yuan/ton to 4725 yuan/ton, an increase of 5.0 yuan/ton; the spot processing fee decreased from 180.0 yuan/ton to 179.6 yuan/ton, a decrease of 0.4 yuan/ton; the on - disk processing fee decreased from 222.0 yuan/ton to 215.6 yuan/ton, a decrease of 6.4 yuan/ton; the main contract basis decreased from (42) to (49), a decrease of 7.0 [2]. - **MEG**: The main contract futures price decreased from 4427 yuan/ton to 4339 yuan/ton, a decrease of 88.0 yuan/ton; the MEG - naphtha spread decreased from (100.96) yuan/ton to (110.15) yuan/ton, a decrease of 9.2 yuan/ton; the domestic MEG price decreased from 4513 yuan/ton to 4468 yuan/ton, a decrease of 45.0 yuan/ton; the main contract basis increased from 84 to 88, an increase of 4.0 [2]. - **Polyester Products**: - **Polyester Filament**: POY150D/48F price remained unchanged at 6860 yuan/ton, FDY150D/96F price remained unchanged at 7130 yuan/ton, DTY150D/48F price remained unchanged at 8035 yuan/ton. POY cash flow increased from 63 to 73, an increase of 10.0; FDY cash flow increased from (167) to (157), an increase of 10.0; DTY cash flow increased from 38 to 48, an increase of 10.0. The filament sales rate decreased from 40% to 38%, a decrease of 2% [2]. - **Polyester Staple Fiber**: The price of 1.4D direct - spun polyester staple fiber decreased from 6605 yuan/ton to 6590 yuan/ton, a decrease of 15 yuan/ton; the cash flow decreased from 158 to 153, a decrease of 5.0; the sales rate increased from 39% to 42%, an increase of 3% [2]. - **Polyester Chips**: The price of semi - bright chips remained unchanged at 5815 yuan/ton; the cash flow increased from (82) to (72), an increase of 10.0; the sales rate decreased from 65% to 61%, a decrease of 4% [2]. b) Industry Operation - **Operating Rates**: The PX operating rate remained unchanged at 82.59%, the PTA operating rate increased from 72.55% to 74.26%, an increase of 1.71%, the MEG operating rate remained unchanged at 62.03%, and the polyester load remained unchanged at 87.99% [2]. c) Device Maintenance It is reported that a 2.5 - million - ton PTA plant in South China has started maintenance today, and another 2.5 - million - ton plant is expected to start maintenance around August 23, with an expected maintenance time of more than one month [2].

Report Summary 1) Report Industry Investment Rating - No information provided. 2) Core Viewpoints - The PTA market had limited overall fluctuations, with sufficient spot supply, a weakening spot basis, and a slight decline in prices. The expansion of the spread between PX and naphtha and the weak benzene price restricted the further increase in PX production. With the improvement in recent sales and inventory reduction, especially the significant reduction of filament inventory, profits were significantly repaired, but some downstream devices had strong maintenance expectations [2]. - The ethylene glycol price rebounded. The planned production cut of South Korean naphtha cracking units and the continuous postponement of the maintenance of overseas ethylene glycol units, especially Saudi Arabian units, would have a significant impact on the market outlook, boosting the ethylene glycol price. The later arrival volume of ethylene glycol decreased, polyester inventory was in good condition, and the downstream weaving load increased [2]. 3) Summary by Relevant Catalogs Market Data - INE crude oil price decreased from 485.2 yuan/barrel on August 29, 2025, to 483.5 yuan/barrel on September 1, 2025, a decrease of 1.70 yuan/barrel. PTA-SC increased from 1258.0 yuan/ton to 1258.4 yuan/ton, an increase of 0.35 yuan/ton. The PTA/SC ratio increased from 1.3568 to 1.3581, an increase of 0.0014 [2]. - CFR China PX decreased from 849 to 848, a decrease of 1. The PX-naphtha spread decreased from 252 to 251, a decrease of 1 [2]. - The PTA主力期价 decreased from 4784 yuan/ton to 4772 yuan/ton, a decrease of 12.0 yuan/ton. The PTA现货价格 decreased from 4740 yuan/ton to 4720 yuan/ton, a decrease of 20.0 yuan/ton. The spot processing fee decreased from 197.3 yuan/ton to 180.0 yuan/ton, a decrease of 17.3 yuan/ton. The盘面加工费 decreased from 231.3 yuan/ton to 222.0 yuan/ton, a decrease of 9.3 yuan/ton. The主力基差 decreased from (35) to (42), a decrease of 7.0. The PTA仓单数量 decreased from 29938 to 29742, a decrease of 196 [2]. - The MEG主力期价 decreased from 4466 yuan/ton to 4427 yuan/ton, a decrease of 39.0 yuan/ton. MEG-石脑油 increased from (101.88) to (101.07), an increase of 0.8. MEG内盘 decreased from 4536 yuan/ton to 4513 yuan/ton, a decrease of 23.0 yuan/ton. The主力基差 increased from 67 to 68, an increase of 1.0 [2]. Industry Chain Operating Conditions - The PX开工率 remained unchanged at 82.59%. The PTA开工率 increased from 70.76% to 72.55%, an increase of 1.79%. The MEG开工率 remained unchanged at 62.03%. The聚酯负荷 increased from 87.15% to 87.99%, an increase of 0.84% [2]. Product Data - Among polyester filaments, POY150D/48F remained unchanged at 6860, POY现金流 increased from 38 to 63, an increase of 25.0; FDY150D/96F decreased from 7140 to 7130, a decrease of 10.0, FDY现金流 increased from (182) to (167), an increase of 15.0; DTY150D/48F decreased from 8040 to 8035, a decrease of 5.0, DTY现金流 increased from 18 to 38, an increase of 20.0; the长丝产销 decreased from 42% to 40%, a decrease of 2% [2]. - For polyester staple fibers, 1.4D直纺涤短 decreased from 6610 to 6605, a decrease of 5, 涤短现金流 increased from 138 to 158, an increase of 20.0, and the短纤产销 decreased from 45% to 39%, a decrease of 6% [2]. - For polyester chips, the半光切片 decreased from 5850 to 5815, a decrease of 35.0, 切片现金流 decreased from (72) to (82), a decrease of 10.0, and the切片产销 decreased from 78% to 65%, a decrease of 13% [2]. Device Maintenance - A 2.5 million - ton PTA device in South China started maintenance today, and another 2.5 million - ton device was expected to start maintenance around August 23, with an expected maintenance time of more than one month [2].

1. Report Industry Investment Rating - No relevant information provided 2. Core Views of the Report - This week, the PX price rose and then retraced. The absolute price on Friday was down 0.9% week - on - week to $849/ton CFR, but the weekly average price still increased slightly by 1.4% to $855/ton CFR. The PX inventory is at a historical low, providing strong support at the bottom. Whether the PX profit can continue to improve depends on more unexpected factors. PX is in an advantageous position in the industrial chain, and its social inventory is decreasing due to the rigid demand of new PTA production facilities. As the downstream demand peak season approaches, polyester production is gradually recovering [2]. - The PTA spot supply is sufficient, and the spot basis is weakening, which is negative for market sentiment. The PTA processing fee has entered a low - range, and unplanned device maintenance is difficult to continuously boost the price. As the traditional peak season approaches, the polyester production load may increase, and the de - stocking volume is expected to expand. The terminal demand is still weakly recovering, but the downstream's bullish expectation has increased. The industrial chain profit is shifting towards the raw material segment, and PTA will move in a volatile manner with cost as the dominant factor [2]. - The polyester bottle - chip market in Jiangsu and Zhejiang is trading at 5880 - 6030 yuan/ton, down 5 yuan/ton from the previous trading day. The bottle - chip supply side has a stable - to - falling price offer, and the downstream is cautious. The overall production reduction of the supply side has not changed significantly, and the market spot supply is abundant [2]. - Currently, the pricing logic is still cost - driven. It is expected that PX, PTA, and PR will operate in a volatile manner [2]. 3. Summary by Related Catalogs Price Information - **Upstream**: On August 29, 2025, the futures settlement price of WTI crude oil was $64.01/barrel, down 0.91% from the previous value; the futures settlement price of Brent crude oil was $68.12/barrel, down 0.73%. The spot price of naphtha (CFR Japan) was $597.38/ton, up 0.59%; the spot price of xylene (isomeric grade, FOB Korea) was $691.50/ton, up 0.29%; the spot price of PX (CFR China Main Port) was $849.00/ton, up 0.04% [1]. - **PTA Futures and Spot**: The closing price of the CZCE TA main contract was 4784 yuan/ton, down 0.17%; the settlement price was 4774 yuan/ton, down 0.50%. The closing price of the CZCE TA near - month contract was 4722 yuan/ton, down 0.30%; the settlement price was 4718 yuan/ton, down 0.76%. The domestic PTA spot price was 4776 yuan/ton, down 1.34%. The CCFEI price index of domestic PTA was 4740 yuan/ton, down 0.73%; the CCFEI price index of overseas PTA was $634.00/ton, down 0.47% [1]. - **PX Futures and Spot**: The closing price of the CZCE PX main contract was 6878 yuan/ton, down 0.12%; the settlement price was 6844 yuan/ton, down 0.67%. The closing price of the CZCE PX near - month contract was 6702 yuan/ton, down 2.53%; the settlement price was 6866 yuan/ton, down 0.29%. The domestic PX spot price was 6738 yuan/ton, down 0.77%. The PXN spread was $251.63/ton, down 1.24%; the PX - MX spread was $157.50/ton, down 1.05% [1]. - **PR Futures and Spot**: The closing price of the CZCE PR main contract was 5956 yuan/ton, down 0.43%; the settlement price was 5954 yuan/ton, down 0.23%. The closing price of the CZCE PR near - month contract was 5836 yuan/ton, up 0.52%; the settlement price was 5832 yuan/ton, up 0.45%. The market price of polyester bottle - chips in the East China market was 5860 yuan/ton, unchanged; in the South China market, it was 5960 yuan/ton, unchanged [1]. - **Downstream**: On August 29, 2025, the CCFEI price index of polyester staple fiber was 6540 yuan/ton, down 0.53%; the CCFEI price index of polyester chips was 5885 yuan/ton, down 0.59%; the CCFEI price index of bottle - grade chips was 5860 yuan/ton, unchanged [2]. Device Information - A 2.2 - million - ton PTA device of Jiaxing Petrochemical restarted on August 22. Two 5 - million - ton PTA devices of Hengli Huizhou unexpectedly shut down from August 21 to August 23, and the restart time is to be determined [2]. Production and Sales Information - On August 29, 2025, the operating rate of the PX in the polyester industrial chain was 82.59%, up 2.21 percentage points; the PTA industrial chain load rate of PTA factories was 70.76%, unchanged; the PTA industrial chain load rate of polyester factories was 87.15%, up 1.12 percentage points; the PTA industrial chain load rate of bottle - chip factories was 73.09%, up 1.16 percentage points; the PTA industrial chain load rate of Jiangsu and Zhejiang looms was 62.03%, unchanged [1]. - The sales rate of polyester filament was 41.62%, down 1.77 percentage points; the sales rate of polyester staple fiber was 45.86%, up 5.15 percentage points; the sales rate of polyester chips was 77.76%, up 35.24 percentage points [1]. Trading Strategy - The TA2601 contract closed at 4784 yuan/ton, down 0.29%, with an intraday trading volume of 602,600 lots; the PX2601 contract closed at 6878 yuan/ton, down 0.17%, with an intraday trading volume of 270,000 lots; the PR2511 contract closed at 5956 yuan/ton, down 0.20%, with an intraday trading volume of 60,500 lots [2]. - It is expected that PX, PTA, and PR will operate in a volatile manner (PX view score: 0, PTA view score: 0, PR view score: 0) [2].

Group 1: Report Overview - The report is a polyester data weekly report from Guotai Junan Futures, dated August 31, 2025 [1][2] Group 2: PX Analysis Core View - Unilateral trend is strong, but do not chase high, buy on dips; 11 - 01 calendar spread is in a positive carry, 1 - 5 is in an inverse carry; for cross - variety, long PX short EB, long naphtha short PX, long PTA short PX in the 11 contract [3] Supply - Asian PX operating rate is 75.6% (-0.7%), domestic PX operating rate is 83.3% (-1.3%). In September, Fujia Dahua plans to conduct maintenance, while Fuhua Group plans to restart, leading to a marginal increase in supply [3][47] Demand - Domestic PTA plants have unexpected maintenance due to environmental issues, and the PTA operating rate has decreased. There are also potential maintenance plans for Xin Fengming's PTA plants at the end of August [3] Valuation - PXN drops to $254/ton (-$16), PX - MX spread is $135 (-$6)/ton [3] Market Indicators - Zhengshang PX futures forward curve declines; PX CFR China price, PX RMB price, and PX futures prices show certain fluctuations, with the 09 contract's foreign - domestic spread and 9 - 1 month spread changing [15][16] Related Factors - China's gasoline export plan decreases, overseas oil product cracking spreads strengthen; Asian octane value rebounds significantly; US gasoline inventory decreases seasonally, and US octane value strengthens month - on - month; MX isomerization unit profit reaches a new high [25][26][33][36] Group 3: PTA Analysis Core View - Supply - demand is in a tight balance, and the trend is strong. Buy on dips [4] Supply - After the unexpected shutdown of Hengli Huizhou's device, PTA turns into a de - stocking pattern. Some plants have maintenance or production suspension, and new devices are put into production. The PTA load is 70.4% (-1.2%) [4] Demand - Polyester device load maintains at 90.3% (+0.3%). In September, the polyester operating rate is expected to be around 91% on average. However, the downstream grey fabric has difficulty in raising prices, and the market has doubts about the peak season, resulting in the polyester operating rate recovering slower than expected [4] Valuation - PTA spot processing fee is 235/ton (+28), the 01 contract processing fee is 342 yuan/ton (-2), and the 09 contract processing fee is 230 (-22), rebounding after a decline [4] Market Indicators - Unilateral price rises first and then falls back; the basis weakens; the 1 - 5 month spread is in an inverse carry; the number of PTA warehouse receipts shows certain changes [77][79][81] Related Factors - Container freight rates decline, which is beneficial for exports; PTA exports increase from July to August; PTA inventory declines again [89][91][106] Foreign Investment Position - This week, foreign institutional seats' short positions increase to 26,000 lots; Morgan Qiankun's PTA position turns short again [112][113] Group 4: MEG Analysis Core View - Unilateral is in a sideways market, do not chase high. Above 4550, the valuation is high. Long PTA short MEG [5] Supply - MEG device operating rate continues to rise to 75.1% (+2%). Although some coal - chemical devices have maintenance, the overall load is still at a high level. Overseas arrivals are expected to increase again this week [5][137] Demand - Polyester device load maintains at 90.3% (+0.3%), and the recovery of polyester operating rate is slower than expected, which has a negative impact on raw materials [5] Valuation - Coal - based MEG profit rebounds to 562 (+40) yuan/ton, naphtha - based MEG loss expands to - 700 (-30) yuan/ton, and MTO profit recovers [5][133] Market Indicators - Unilateral price shows an upward trend, and the month spread is at a low level; MEG's relative valuations against ethylene oxide, styrene, and plastics all rise to the highest levels of the year [126][130] Related Factors - Sheng Hong's unexpected shutdown has a slight and short - term impact on the load; overall supply increases; MEG imports are expected to increase in September; overseas device, such as Ma You 75, restarts [135][139][141] Group 5: 2025 Polyester Raw Material and Polyester Production Plan - PX production capacity will increase by 3 million tons in the second half of the year; PTA production capacity will increase by 6 million tons; MEG production capacity will increase by 800,000 tons; polyester production capacity will increase by 3.05 million tons throughout the year, with a relatively even distribution [7]