Special report on Guotai Junan Futures 2 观点综述 1 本周烧碱观点：短期震荡 烧碱：短期震荡 PVC：偏弱震荡 国泰君安期货研究所·陈嘉昕 投资咨询从业资格号：Z0020481 日期：2025年8月3日 Guotai Junan Futures all rights reserved, please do not reprint CONTENTS 观点综述 01 烧碱价格及价差 02 烧碱供应 03 烧碱需求 04 PVC价格及价差 05 PVC供需 06 观点 宏观端，关注8月外部关税问题超预期风险，同时近期反内卷情绪有所走弱。烧碱在此轮反内卷过程中基本面并没有明显改善，驱动不足， 目前反内卷政策也未涉及烧碱行业。当前烧碱由于处于需求淡季，涨价动力不足，但又受液氯偏弱影响，成本支撑强。此外，需要关注 08合约仓单对市场的冲击，低价仓单回流现货市场，容易加剧市场负反馈，因此烧碱短期承压。但长期看，烧碱旺季需求仍有期待，尤 其8月中旬大厂检修叠加下游旺季补库，容易导致现货驱动向上。 估值 山东边际装置成本计算=1.5*210(原盐)+2300*0.564(网电电价)+4 ...

Report Information - Report Title: C3 Industry Chain Weekly Report [1] - Report Date: August 3, 2025 [1] - Analyst: Chen Xinchao [1] Investment Rating - No investment rating is provided in the report. Core Viewpoints - **LPG**: Import costs are decreasing, and prices are weakly oscillating. Domestic civil gas supply and demand are both weak, and the overall price is fluctuating weakly. Ether C4 prices are oscillating, and the overall chemical industry's start - up is expected to have limited short - term boost. [3] - **Propylene**: The supply - demand pattern is loose, and prices are under pressure and weak. Although the supply - demand gap may narrow further, it is difficult to drive price increases. The supply - demand pressure may ease from late August to September, and prices may turn around. [4] Summary by Section LPG Part Price & Spread - LPG domestic spot prices in various regions have decreased. For example, from July 25 to August 1, Shandong civil gas decreased by 100 yuan/ton, and South China imported gas decreased by 120 yuan/ton. [8][15] - CP prices were released lower, and FEI discounts narrowed and then decreased again. [16] Supply - US propane shipments to Japan and South Korea increased significantly, while shipments to China decreased significantly. [26] - Middle East LPG shipments decreased significantly, and shipments to China, India, and Southeast Asia all decreased. [34][40] - China's LPG total commodity volume was 52.7 million tons (+0.3%), with civil gas at 21.0 million tons (-0.0%). Propane imports increased by 22.5 million tons. [50][59] Demand & Inventory - Chemical demand: PDH decreased slightly, and MTBE's operating rate decreased for the first time after 8 consecutive weeks of increase. [65] - LPG refinery inventories: Some regions decreased, such as East China's civil gas refinery inventory decreased from 18.43 million tons to 18.08 million tons. [68] - LPG terminal import inventories: East China and Fujian reduced inventories, while other regions' terminals increased inventories. [78] Propylene Part Price & Spread - Upstream prices: Brent rose by 1.13 dollars/bbl, and WTI rose by 2.19 dollars/bbl week - on - week. [89] - Propylene prices: Shandong, East China, and South China decreased by 35, 125, and 100 yuan/ton respectively week - on - week. [89] - Downstream prices/profits: Some products' prices and profits changed, such as PP powder profit in East China increased by 105 yuan/ton. [91] Balance Sheet - **National Balance Sheet - Supply**: In August 2025, the total domestic propylene production was 529 million tons, with a weighted operating rate of 79.5%. [105] - **National Balance Sheet - Demand**: In August 2025, the total domestic propylene demand was 526 million tons, with a weighted operating rate of 79.0%. [108] - **Shandong Balance Sheet - Supply**: In August 2025, Shandong's total propylene production was 90 million tons, with a weighted operating rate of 64.0%. [112]

Industry Investment Rating No relevant content provided. Core Views - PX: Supply and demand are weakening, and attention should be paid to warehouse receipt pressure. The unilateral trend is weak, and attention should be paid to warehouse receipt pressure and the roll - over of the main contract. The PXN has fallen from a high level, and the PX - MX spread has also declined but remains at a high level. Future Asian PX supply will gradually increase [3][4]. - PTA: Cost support is weak, and there is negative demand feedback. Attention should be paid to warehouse receipt pressure. The unilateral trend is weak, and short positions should be held. The spot processing fee remains low, and the basis and monthly spread are both weak [5]. - MEG: The unilateral trend is weak, and attention should be paid to the opportunity of positive monthly spread arbitrage. The profit of coal - based MEG plants has recovered, and the production of some ethylene oxide plants will be converted to MEG in the future [6]. Summary by Directory PX Valuation and Profit - PX unilateral price has dropped significantly, and the structure has gradually become flat. The PXN has fallen from a high level, and the PX - MX spread has also declined but remains high. Asian gasoline cracking spreads are weak, and the toluene disproportionation spread has weakened, while the toluene blending profit has recovered. The aromatics blending economy has improved [20][23][24]. Supply and Demand - China's PX operating rate is 81.1% (+1.2%), and Asia's overall operating rate is 73.4% (+0.5%). There is no new PX maintenance in China in August, and some plants are restarting. Future Asian PX supply will gradually increase. PTA device operating rate is expected to decline in August, which means reduced demand for PX [3][42]. Inventory - In July, the monthly PX inventory in Longzhong dropped to 414 tons (-24) [65]. PTA Valuation and Profit - The spot supply is increasing, the basis is in a reverse arbitrage situation, and attention should be paid to the opportunity of positive monthly spread arbitrage at low levels. The spot processing fee remains at a low level, and some plants have unplanned maintenance [71][82]. Supply and Demand - The PTA device operating rate remains at 75.3% (-4.4%) and is expected to continue to decline in August. Some plants have stopped production or reduced loads. PTA exports are expected to increase in July - August, and port inventories are rising, but the total inventory accumulation is lower than expected [86][92][105]. Inventory - PTA port inventories are rising, but the cumulative increase in total inventory is lower than expected [105]. MEG Valuation and Profit - The unilateral valuation is in a volatile market, the monthly spread has declined, and the downward space is limited. The relative valuation of MEG compared to ethylene oxide, styrene, and plastics has risen to a high level this year, and the profits of each link have significantly recovered [125][129][132]. Supply and Demand - The operating rate of MEG continues to rise. Overseas, some plants are operating at low loads or under maintenance, and imports will remain high. Domestic coal - based MEG device operating rate is 75% (+0.6%), and future loads will continue to rise [135][136]. Inventory - No relevant content provided. 2025 PX - PTA - Polyester Production Plan - PX will have a new production capacity of 300 tons from Yulong Petrochemical in the second half of the year. - PTA will have new production capacities of 600 tons from Sanfangxiang and Xin Fengming in the second half of the year. - MEG will have new production capacities of 100 tons from Yulong Petrochemical and others in the second half of the year. - Polyester will have new production capacities of 305 tons from Anhui Youshun and others throughout the year [8].

集运指数（欧线）观点： 现货市场延续弱势，10空单酌情持有 国泰君安期货研究所 郑玉洁 投资咨询从业资格号：Z0021502 首席分析师/能化联席行政负责人·黄柳楠 投资咨询从业资格号：Z0015892 日期：2025年8月3日 Guotai Junan Futures all rights reserved, please do not reprint 需求 8月中旬起，市场整体货量呈温和下降趋势，观察后续回落速率。 33周市场运费中枢降至 3150 美元/FEU 附近，对应SCFIS指数在2200点左右。当前FAK运价下调速度偏中性，关注8月下旬至9月中旬跌价周期内运费下调速率 的变化。 观点 月度级别来看，9月大概率是供需双减格局，但当前统计到的运力下滑幅度或不及需求下滑幅度，预计基本面进一步承压，市场基本面交易逻辑维持逢高空。 海外宏观面，美国7月份非农就业人数增长低于预期，失业率小幅上升，市场风险偏好恶化，全球股市下跌，关注短期市场对"衰退"定价以及是否会与EC基 本面形成共振。 策略 单边：10空单酌情持有，上方压力位参考1450-1500点； 风险 关税变化；中东地缘局势迅速降温等。 估值 套利 ...

1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - This week, London gold rebounded by 0.1%, while London silver declined by 5.8%. The gold - silver ratio rose from 86.3 to 92.5. The 10 - year TIPS fell to 1.9%, and the 10 - year nominal interest rate rose to 4.23% [3]. - Gold prices initially faced downward pressure due to factors like tariff decisions and strong economic data but were supported by returning long - term funds. After the disappointing US non - farm payrolls data on Friday, gold prices rebounded significantly [3]. - In the short term, the gold - silver ratio may be in a rebound channel, but it's hard to predict a clear trend for gold and silver. Technical signals may be more effective than fundamental factors, and the prices generally remain in the previously predicted range - bound pattern [3]. 3. Summary by Relevant Catalogs 3.1 One - Week Market Review - **Price and Price Changes**: Most gold and silver futures and spot prices showed fluctuations. For example, Comex gold 2510 rose 2.32%, while Comex silver 2510 fell 3.18% [4]. - **Trading Volume and Open Interest Changes**: Trading volumes and open interests of different gold and silver contracts changed. For instance, the trading volume of沪银2510 decreased by 100,557 hands, and its open interest decreased by 85,634 hands [4]. - **Inventory Changes**: COMEX gold inventory increased by 0.95 million ounces, and its registered warrant ratio fell to 54.7%. COMEX silver inventory increased by 6.34 million ounces to 506.66 million ounces, and its registered warrant ratio rose to 37.8% [37][39]. - **Spread Changes**: Various spreads, including overseas and domestic spot - futures spreads, monthly spreads, and cross - market spreads, changed. For example, the London spot - COMEX gold主力spread fell to - 53.36 dollars per ounce [8][9]. 3.2 Transaction - related Aspects (Price, Spread, Inventory, Funds, and Open Interest) - **Overseas Spot - Futures Spreads**: This week, the London spot - COMEX gold主力spread fell to - 53.36 dollars per ounce, and the COMEX gold continuous - COMEX gold主力spread was - 55.9 dollars per ounce. The London spot - COMEX silver主力spread converged to - 0.088 dollars per ounce, and the COMEX silver continuous - COMEX silver主力spread was - 0.345 dollars per ounce [8][9][12]. - **Domestic Spot - Futures Spreads**: The gold spot - futures spread was - 3.54 yuan per gram, at the lower end of the historical range. The silver spot - futures spread was - 30 yuan per gram, at the upper end of the historical range [16][19]. - **Monthly Spreads**: The gold monthly spread was 6.9 yuan per gram, at the upper end of the historical range. The silver monthly spread was 72 yuan per kilogram, at the upper end of the historical range [23][28]. - **Cross - Month Positive Arbitrage Delivery Costs**: The report calculated the cross - month positive arbitrage delivery costs for gold and silver, including costs such as delivery fees, storage fees, and capital costs [31][32][33][34]. - **Deferred Fee Payment Directions**: This week, the gold exchange's deferred fee for gold and silver was mainly paid by longs to shorts, indicating strong delivery power [35]. - **Inventory and Open Interest - Inventory Ratios**: COMEX gold and silver inventories changed, and their registered warrant ratios also changed [37][39]. - **CFTC Non - commercial Positions**: This week, the non - commercial net long positions in COMEX gold and silver both declined slightly [44]. - **ETF Holdings**: This week, the gold SPDR ETF inventory decreased by 4.01 tons, and the silver SLV ETF inventory decreased by 145.51 tons [50][52]. - **Gold - Silver Ratio**: This week, the gold - silver ratio rose from 86 to 92.5 [55]. - **COMEX Gold Delivery Volume and Gold - Silver Lease Rates**: This week, the 1 - month gold lease rate was - 0.23%, and the 1 - month silver lease rate was 1.77% [57]. 3.3 Core Drivers of Gold - **Gold and Real Interest Rates**: This week, the correlation between gold and real interest rates recovered, and the 10 - year TIPS continued to decline [62]. - **Inflation and Retail Sales Performance**: Data on US PCE, core PCE, retail and food service sales were presented [67][68]. - **Non - farm Employment Performance**: Data on US non - farm employment, including new non - farm employment, unemployment claims, labor force participation rate, and unemployment rate, were provided [70][71][72]. - **Industrial Manufacturing Cycle and Financial Conditions**: Not detailed in the content - **Economic Surprise Index and Inflation Surprise Index**: Not detailed in the content - **Fed Rate - cut Probability**: The report showed the Fed rate - cut probabilities in different regions and at different times [80].

1. Report Industry Investment Rating No information provided in the text. 2. Core Viewpoints of the Report - This week, the straddle statistical arbitrage strategy led the option strategies in the CSI 300 stock index options and SSE 50 ETF options, with weekly returns of 0.28% and 0.18% respectively. The strategy of selling the wide - straddle at the maximum position led the option strategies in the CSI 1000 stock index options, with a weekly return of 0.76% [1][6][11][16]. - From January 2024 to the present, the benchmark strategies in the CSI 300, SSE 50 ETF, and CSI 1000 stock index options markets performed best, with cumulative returns of 24.37%, 26.13%, and 30.9% respectively. Among the option strategies, the short - put strategy in the CSI 300 and SSE 50 ETF options, and the protective put strategy in the CSI 1000 stock index options had relatively good performance [6][11][16]. - The three option hedging strategies (covered call, protective put, and collar) can effectively reduce the maximum drawdown of the benchmark in all three markets [7][11][16]. - The three option volatility trading strategies (straddle statistical arbitrage, short - straddle, and selling the wide - straddle at the maximum position) can effectively reduce the strategy's drawdown due to the additional threshold limit in the clustering dimension of implied volatility [7][11][16]. - In the CSI 300 and SSE 50 ETF options, the short - straddle strategy is better than the strategy of selling the wide - straddle at the maximum position in terms of short - selling volatility; in the CSI 1000 stock index options, the short - straddle strategy has better returns [7][11][17]. - The bull call spread strategy has stronger returns than the benchmark in all three markets and can reduce the maximum drawdown because it can avoid tail risks [7][12][17]. 3. Summary by Relevant Catalogs 3.1 This Week's Market Review 3.1.1 CSI 300 Stock Index Option Strategy Review - Based on the CSI 300 index, futures, and options, eight common strategies were back - tested. This week, the straddle statistical arbitrage strategy led with a 0.28% return. From January 2024 to the present, the benchmark performed best with a 24.37% cumulative return, and the short - put strategy led among the option strategies with a 9.79% cumulative return [5][6][7]. 3.1.2 SSE 50 ETF Option Strategy Review - Based on the 50 ETF and its options, eight common strategies were back - tested. This week, the straddle statistical arbitrage strategy led with a 0.18% return. From January 2024 to the present, the benchmark performed best with a 26.13% cumulative return, and the short - put strategy led among the option strategies with a 19.44% cumulative return [8][11]. 3.1.3 CSI 1000 Stock Index Option Strategy Review - Based on the CSI 1000 index, futures, and options, eight common strategies were back - tested. This week, the strategy of selling the wide - straddle at the maximum position led with a 0.76% return. From January 2024 to the present, the benchmark performed best with a 30.9% cumulative return, and the protective put strategy had relatively good performance among the option strategies [13][16]. 3.2 Strategy Specific Descriptions 3.2.1 Covered Call Strategy - Purpose: To enhance returns, commonly used by overseas mutual funds. It can reduce holding costs and enhance stock - holding returns when the underlying asset is expected to rise slightly or not rise [18]. - Construction: For the SSE 50 ETF, buy 1 share of 50 ETF and sell 1 share of a 10% out - of - the - money standard call option. For the CSI 300 stock index futures, buy 1 contract and sell 3 contracts of a 4% out - of - the - money call option [18][21]. 3.2.2 Short - Put Strategy - Purpose: To obtain premium income when the market is stable or not expected to fall sharply [24]. - Construction: Sell at - the - money standard put options, with different settings for the SSE 50 ETF and CSI 300 stock index futures in terms of contract multiplier and fees [24][26]. 3.2.3 Protective Put Strategy - Purpose: To hedge risks when the market goes down while allowing investors to enjoy some upside returns [28]. - Construction: For the SSE 50 ETF, buy 1 share of 50 ETF and 1 share of a 10% out - of - the - money standard put option. For the CSI 300 stock index futures, buy 1 contract and 3 contracts of a 4% out - of - the - money put option [29][31]. 3.2.4 Collar Strategy - Purpose: A neutral strategy that combines the covered call and protective put strategies to provide tail - risk management while reducing hedging costs [34]. - Construction: For the SSE 50 ETF, hold 1 share of 50 ETF, buy 1 share of a 10% out - of - the - money put option, and sell 1 share of a 10% out - of - the - money call option. For the CSI 300 stock index futures, hold 1 contract, buy 3 contracts of a 4% out - of - the - money put option, and sell 3 contracts of a 4% out - of - the - money call option [34][37]. 3.2.5 Straddle Statistical Arbitrage Strategy - Purpose: To trade volatility by taking advantage of the mean - reversion relationship between implied volatility and historical volatility [40]. - Construction: Use a straddle strategy to go long or short on implied volatility. Make decisions based on the difference between implied volatility and historical volatility, and consider the clustering of implied volatility [41]. 3.2.6 Short - Straddle Strategy - Purpose: A strategy to short - sell volatility, aiming to profit from the decline in volatility [46]. - Construction: Sell at - the - money call and put options of the same month, adjust positions according to changes in the at - the - money level and the main contract, and consider the clustering of implied volatility [48][51]. 3.2.7 Strategy of Selling the Wide - Straddle at the Maximum Position - Purpose: To obtain time - value income by constructing a short - wide - straddle option portfolio based on the maximum position levels of call and put options [53]. - Construction: Sell standard call and put options at the maximum position levels, adjust positions according to changes in the maximum position levels and the main contract, and consider the clustering of implied volatility [55][57]. 3.2.8 Bull Call Spread Strategy - Purpose: A low - cost long - call strategy, suitable for when the underlying price is expected to rise moderately in the short term and implied volatility is low [60]. - Construction: Buy at - the - money call options and sell 10% (SSE 50 ETF) or 4% (CSI 300 stock index futures) out - of - the - money call options [61][63].

锡周报 国泰君安期货研究所 有色及贵金属 刘雨萱投资咨询从业资格号：Z0020476 日期：2025年8月3日 Guotai Junan Futures all rights reserved, please do not reprint Special report on Guotai Junan Futures 锡：再度下探支撑位 强弱分析：偏弱 价格区间：260000-265000元/吨 6月实际消费量环比下行 本周社会库存基本持平 0 5000 10000 15000 20000 25000 01-3102-2803-3104-3005-3106-3007-3108-3109-3010-3111-3012-31 吨 实际消费量 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 0 5000 10000 15000 20000 25000 01-03 01-14 01-26 02-10 02-24 03-07 03-18 03-29 04-11 04-22 05-06 05-17 05-28 06-10 06-21 07-04 07-15 07-26 0 ...

Report Summary 1. Report Industry Investment Rating No industry investment rating is provided in the report. 2. Core Viewpoints of the Report - Considering the current mediocre fundamental performance, the short - term valuation of asphalt is expected to have no outstanding performance and may remain neutral to weak. Attention should be paid to the possible unilateral crude oil market caused by tariff policies and the geopolitical situation in the Middle East [4]. 3. Summary According to the Table of Contents 3.1 Overview - **Supply**: The capacity utilization rate of 77 domestic heavy - traffic asphalt enterprises was 33.1%, a month - on - month increase of 4.3%. The weekly output of domestic asphalt was 581,000 tons, a month - on - month increase of 12,000 tons (2.1%) and a year - on - year increase of 146,000 tons (33.6%). The cumulative output from January to July was 18.704 million tons, a year - on - year increase of 1.508 million tons (8.8%) [4]. - **Demand**: Downstream buyers purchase low - priced asphalt as needed. The brand competition in the north - south market has intensified, and prices in some provinces are under pressure to decline. In Shandong, rainy weather affected terminal demand, and in East China, the actual trading volume was light due to rain. However, with the resumption of normal shipping of cargo, the factory inventory pressure in the region is not large, while the social inventory is expected to increase [4]. - **Viewpoint**: The short - term asphalt valuation is expected to remain neutral to weak. Attention should be paid to tariff policies and the Middle East geopolitical situation [4]. - **Valuation**: During the week, BU fluctuated with crude oil, and the month - on - month fluctuation intensified slightly. The average weekly price of domestic asphalt was 3,761 yuan/ton, a month - on - month decrease of 23 yuan/ton. The spot price of the asphalt market declined, and the price fluctuation range narrowed. The low - price of asphalt spot was under pressure, with 4 regions seeing price drops, 1 region an increase, and 2 regions remaining stable [4]. - **Strategy**: For the unilateral strategy, no specific suggestion is given; for the inter - period strategy, partially take profit on the reverse spread; for the inter - variety strategy, partially take profit on the short crack spread [4]. 3.2 Price & Spread - **Cost Structure**: The cost of asphalt is related to factors such as Brent, WTI, imported diluted asphalt, and Ma Rui crude oil. There are also substitutes like Oman crude oil and Basra heavy oil. Different crude oils have different asphalt yields, for example, the yield of Ma Rui crude oil is 55% - 60% [7]. - **Futures - Disk Price and Trading Volume and Open Interest**: There are data on the price trends of Brent, WTI, and SC, as well as the trading volume and open interest of asphalt futures [11]. - **Spot - Heavy - Traffic Asphalt and Ma Rui Crude Oil**: There are data on the prices of domestic heavy - traffic asphalt in different regions and the production profit of asphalt in Shandong [12]. - **Spread - Basis and Calendar Spread**: There are data on the basis in Shandong and the Yangtze River Delta, as well as the calendar spread of different contract months [18][19]. 3.3 Fundamental Data - **Demand**: The demand for asphalt is mainly in the road market (including highway construction and maintenance), waterproof market, ship - fuel market, coking market, and export market. Seasonal factors have a limited impact. The demand for modified asphalt in some northern provinces decreased due to precipitation, but the demand in Shandong's highway projects increased, and the overall capacity utilization rate of domestic modified asphalt enterprises increased [24][28]. - **Supply**: - **Output, Maintenance, and Raw Materials**: The weekly output of domestic asphalt was 581,000 tons, a month - on - month increase of 12,000 tons (2.1%) and a year - on - year increase of 146,000 tons (33.6%). As of July 31, 2025, the total inventory of 54 asphalt sample factories was 725,000 tons, a 1.5% decrease from July 28. The inventory in the northwestern region decreased significantly [32]. - **Start - up**: There are data on the weekly start - up rates of asphalt refineries in different regions [36][38][40]. - **Inventory**: There are data on the weekly inventory rates of asphalt refineries in different regions, including the total inventory rate, and the inventory rates in regions such as the Yangtze River Delta, North China, Shandong, Northeast, and South China [46][47][48].

Report Industry Investment Rating No relevant content provided. Core Views - Glass: Short - term short - chasing should be cautious. The market will gradually turn into a weak shock later, and the medium - term decline is not over. The previous policy proposals and peak - season expectations boosted the rebound, but now weak basis, delivery factors, and high inventory lead to a market decline. With a relatively large basis and excessive premium of the forward 01 contract, short - chasing should be careful [2]. -纯碱: Short - term short - chasing should be cautious, but the downward pressure is not over. In the futures market, the previous crowded shorts led to a short - covering stampede. The increase in the futures market drove spot purchases, reducing inventory and raising prices. The strengthening basis in the short - term decline is not conducive to the futures price, and the delivery pressure on the 08 and 09 contracts is expected to be large. The future trend depends on the basis regression and the supply - side response [3]. Summary by Related Directory Glass Supply - As of July 31, 2025, there were 296 domestic glass production lines (200,000 tons/day) after excluding zombie lines, with 222 in production and 74 cold - repaired and shut down. The daily output of national float glass was 159,600 tons, a 0.38% increase from the 24th. The daily loss of float glass was 40,450 tons, a 1.46% decrease from the previous period, and the weekly loss was 284,950 tons, a 2.43% decrease from the previous period [2]. - In 2025, the total daily melting volume of cold - repaired lines was 11,680 tons/day, the total daily melting volume of ignited lines was 11,510 tons/day, the potential new ignition lines had a total daily melting volume of 14,000 tons/day, the potential old - line复产 had a total daily melting volume of 8,130 tons, and the potential cold - repair lines had a total daily melting volume of 6,900 tons/day [6][7][8][10][12]. - The current in - production capacity is about 159,000 tons/day. Short - term production reduction space is limited, but if demand is poor in the third quarter, there may be a certain - scale production reduction in the fourth quarter [13]. Demand - As of July 31, 2025, the average order days of national deep - processing sample enterprises was 9.55 days, a 2.7% increase from the previous period and a 1.55% decrease from the same period last year. The deep - processing profits are still low, and the increase in the inventory days of reserved raw glass is higher than the increase in orders [2]. Inventory - As of July 31, 2025, the total inventory of national float glass sample enterprises was 59.499 million heavy cases, a decrease of 2.397 million heavy cases from the previous period, a 3.87% decrease from the previous period and a 13.88% decrease from the same period last year. The inventory days were 25.5 days, 1.1 days less than the previous period. The inventory in different regions decreased to varying degrees, but the decline rate slowed down due to the decrease in spot trading [2][35]. Price and Profit - The market price declined slightly this week, while the ex - factory price changed little. The price in Shahe was about 1,260 - 1,310 yuan/ton, in central China's Hubei region it was about 1,200 - 1,300 yuan/ton, and in some large factories in the eastern Jiangsu and Zhejiang regions it was about 1,320 - 1,400 yuan/ton [18][22]. - The futures rebounded, the basis strengthened, and the month - spread was still weak. The profit with petroleum coke as fuel was about 137 yuan/ton, and the profits with natural gas and coal as fuel were about - 150 and 138 yuan/ton respectively [24][27]. Photovoltaic Glass Price and Profit - The overall domestic photovoltaic glass market had good transactions, and the inventory continued to decline. The mainstream order price of 2.0mm coated panels was 10 - 11 yuan/square meter, and the mainstream order price of 3.2mm coated was 18 - 19 yuan/square meter, both unchanged from the previous week [44][46]. Capacity and Inventory - Affected by the anti - involution policy, the recent supply decreased, the trading improved, and the inventory declined. As of early August, there were 408 national photovoltaic glass production lines in production, with a total daily melting volume of 89,290 tons/day, a 1.33% decrease from the previous period and an 18.57% decrease from the same period last year. The sample inventory days were about 29.31 days, a 10.06% decrease from the previous period [47][48][52]. Soda Ash Supply and Maintenance - Soda ash enterprises had more device reductions, and the comprehensive supply decreased. The domestic soda ash output this period was 699,800 tons, a 3.32% decrease from the previous period, and the capacity utilization rate was 80.27%, a 2.75% decrease from last week. Some enterprises were under maintenance or had reduced production loads, and there were also some planned maintenance and resumptions in the future [3][56]. - The current capacity utilization rate of soda ash is 80.27%, and the weekly output of heavy soda has reached 398,700 tons/week. In the context of high production and high inventory, either manufacturers need to increase production reduction efforts, or the real - estate industry chain needs to continue to recover to drive the recovery of glass demand and inventory [58][59]. Price and Profit - The nominal prices in Shahe and Hubei were about 1,300 - 1,450 yuan/ton. The manufacturer's price changed little, while the quotes of futures - spot merchants decreased. The basis and month - spread: due to high production and high inventory, the near - month contracts were under pressure, but attention should be paid to the market potentially turning to positive spreads during the peak position - shifting period [69][72][74]. - The joint - soda production profit in East China (excluding Shandong) was 106 yuan/ton, and the ammonia - soda production profit in North China was 57 yuan/ton [77]. Inventory - The inventory of soda ash enterprises was 1.7958 million tons, a 3.69% decrease from the previous period and a 67.08% increase from the same period last year. A large amount of inventory was transferred to the delivery warehouse [3].

1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - The market should focus on compressing the profit position of styrene. Pure benzene supply and demand are both increasing, while styrene supply is increasing and demand is decreasing. Currently, styrene is in a pattern of high production, high profit, and high inventory, and it is mainly considered for short - selling. The port inventory of styrene is in an accelerated accumulation stage. The downstream operating rate of pure benzene is gradually recovering, and the industry is gradually entering the inventory replenishment stage. The short - term market still has support at 5600 - 5700. [3] 3. Summary According to Related Catalogs 3.1 Pure Benzene and Styrene Market Supply - Domestic pure benzene: The planned maintenance loss in July was about 90,000 tons, which decreased to 40,000 tons in August, and the planned maintenance in September was 70,000 tons. New pure benzene plants will be put into operation intensively from July to September. [3] - Imported pure benzene: The price of pure benzene in the US has stabilized and rebounded. The profit of STDP plants is negative, and the output rate is still decreasing. The profit of US styrene has been squeezed from a high level, but the operating rate has recovered from 50% in June to nearly 65% - 70% in July. The arbitrage window for styrene from the US to Europe has closed, and the incremental demand in August is expected to come from South America. [3] Demand - Styrene: There has been a large increase in supply recently. New plants such as Jingbo Petrochemical (680,000 tons, put into operation in early August) and Jilin Petrochemical (600,000 tons, put into operation on September 20) are about to be launched. [3] - Caprolactam: It was in a state of increasing load in July, and some plants plan to reduce the load after August. A new 300,000 - ton plant of Hengyi in Guangxi Qinzhou is planned to be put into operation in October. [3] - Phenol: Zhenhai Refining & Chemical's 400,000 - ton plant was put into operation in July, Jilin Petrochemical's plant will be put into operation in late August, and Shandong Ruilin plans to put it into operation in October. [3] - Aniline: Some plants such as Jinmao Aluminum and Chemical, Shandong Huatai, and Jiangsu Fuqiang have recently restarted, and Wanhua Chemical (Fujian)'s new plant has been put into operation and is currently operating at a low load. Yantai Wanhua plans to conduct rotational maintenance from August to September. [3] - 3S hard plastics downstream of styrene: EPS and PS have clearly entered the summer off - season, with continuous inventory accumulation and reduced operating rates. The overall demand for ABS remains medium - high and shows resilience. [3] Valuation - The reasonable valuation of pure benzene 2603 is 6000 yuan/ton. The current styrene futures price structure has turned to contango, and the largest structural opportunity this year is approaching the end. [3] Strategy - Unilateral: Short on rallies. - Inter - period: Temporarily take profit on cash - and - carry arbitrage and reverse cash - and - carry arbitrage in the futures market. - Inter - commodity: Buy BZ03 and sell EB09, and take profit on the position of compressing profit temporarily. [3] 3.2 Pure Benzene Delivery Standards - The overall delivery settings are uniform. The benchmark delivery areas are Jiangsu, Zhejiang, and Shanghai. Different regions have different premium and discount settings. [5] Production Capacity - The production capacity of pure benzene before 2005 was 3.26 million tons, accounting for 12%. [20] Market Situation in 2025 - In the first half of 2025, the price continued to decline, mainly due to pre - Spring Festival market over - speculation and the non - implementation of downstream production capacity expansion expectations. In the second half of the year, domestic supply continued to increase, but it gradually entered the de - stocking pattern. From January to May 2025, the total output of pure benzene was 8.97 million tons, a year - on - year increase of 6%. It is expected that the apparent demand for pure benzene in 2025 will be 31.39 million tons, a year - on - year increase of 8.9%. [30] 3.3 Styrene Production Capacity - The production capacity of styrene before 2005 was 1.12 million tons, accounting for 5%. [21] Market Situation in 2025 - The global styrene output contracted in the first half of 2025. Currently, styrene is in a pattern of high inventory, medium - level profit (recently compressed). [70][76] Future Outlook - Pay attention to the issue of the price ratio between aromatics and olefins. Styrene in the far - month should not have profit. [69][81] 3.4 Downstream Products of Pure Benzene Phenol - It is expected that the apparent demand for phenol in 2025 will be 6 million tons, a year - on - year increase of 7%. [52] Caprolactam - It is expected that the apparent demand for caprolactam in 2025 will be about 7 million tons, a year - on - year increase of 7%. [55] Adipic Acid - The annual apparent demand for adipic acid is about 1.9 million tons, a year - on - year decrease of 7%. [57] Aniline - It is expected that the apparent demand for aniline in 2025 will remain at 3.61 million tons, a year - on - year decrease of 8%. [61]