国泰君安期货·能源化工 C3产业链周度报告 国泰君安期货研究所 陈鑫超 投资咨询从业资格号：Z0020238 日期：2025年11月23日 Guotai Junan Futures all rights reserved, please do not reprint CONTENT 总结 01 LPG部分 02 丙烯部分 03 价格&价差 供应 需求&库存 价格&价差 平衡表 供应 需求 下游库存 Special report on Guotai Junan Futures 2 | | 本周LPG观点：下游需求分化，关注成本变动 | | --- | --- | | 供应 | 国产方面，液化气总商品量50.6万吨，较上周环比减少0.9%；其中，民用气商品量20.4万吨（+0.3%），醚后商品量17.4万吨（-1.6%）；当前， | | | 国内民用气商品量处于低位水平，而醚后碳四商品量维持高位。国际市场供应方面，美国丙烷库存环比回落，中东供应偏紧；需求方面，亚洲 | | | 裂解极限进料叠加燃烧旺季来临，国际采购热情较高，买盘支撑周前期丙烷价格上行；成本传导则主要于周后期体现，原油大幅下挫带动丙烷 | | | ...

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - The global macro situation this week focuses on changes in US dollar liquidity. Although there is short - term tightness, it won't have a significant impact on major asset prices. There are two factors for improvement: marginal easing of monetary policy and normal release of funds in the TGA account when the US government resumes work [7]. - In October, China's export growth was weaker than expected, but there were more positive signs in inflation data, and consumer data may slightly exceed expectations [7]. - In November, the macro environment enters a vacuum period, and major assets may enter a short - term shock period. However, the overall allocation idea in the fourth quarter remains unchanged, and the macro environment is still favorable for risk assets. It is recommended to allocate major assets evenly in the fourth quarter, hold long positions in stock indices, non - ferrous metals (copper, lithium carbonate, aluminum, tin), and precious metals, and increase positions appropriately if there is a correction [7]. 3. Summary by Directory 3.1 Macro Highlights - **Overseas Macro**: The short - term tightness of US dollar liquidity won't have a large impact on major asset prices. Monetary policy is marginally easing, and the release of TGA account funds after the US government resumes work can relieve the short - term pressure [7]. - **Domestic Macro**: October's export growth was weaker than expected, but there were positive signs in inflation data, and consumer data may slightly exceed expectations [7]. - **Asset Views**: In November, major assets may enter a shock period. The overall allocation idea in the fourth quarter remains unchanged, and it is recommended to evenly allocate major assets, hold long positions in stock indices, non - ferrous metals, and precious metals, and increase positions if there is a correction [7]. 3.2 Viewpoint Highlights 3.2.1 Financial Sector - **Stock Index Futures**: Catalyzed by technology events, the growth style is active. There is a risk of overcrowding in small - cap funds, and the short - term trend is expected to be a volatile upward [8]. - **Stock Index Options**: The overall trading volume has slightly declined, and the short - term trend is expected to be volatile [8]. - **Treasury Bond Futures**: The bond market continues to be weak. The short - term trend is expected to be volatile, affected by policy, fundamental repair, and tariff factors [8]. 3.2.2 Precious Metals - **Gold/Silver**: Due to the easing of geopolitical and economic and trade situations, precious metals are in a phased adjustment. The short - term trend is expected to be volatile, affected by the US fundamentals, Fed's monetary policy, and global equity market trends [8]. 3.2.3 Shipping - **Container Shipping to Europe**: The peak season in the third quarter has passed, and there is a lack of upward momentum. The short - term trend is expected to be volatile, and attention should be paid to the rate of freight decline in September [8]. 3.2.4 Steel and Iron Ore - **Steel**: In the off - season, the fundamentals are under pressure, and the short - term trend is expected to be volatile, affected by the issuance of special bonds, steel exports, and iron - water production [8]. - **Iron Ore**: The short - term fundamentals are stable, and the short - term trend is expected to be volatile, affected by overseas mine production and shipment, domestic iron - water production, weather, port inventory, and policy [8]. 3.2.5 Black Building Materials - **Coke**: The game between coking and steel enterprises continues, and the short - term trend is expected to be volatile, affected by steel mill production, coking costs, and macro sentiment [8]. - **Coking Coal**: The market sentiment is weak, but the spot price is rising. The short - term trend is expected to be volatile, affected by steel mill production, coal mine safety inspections, and macro sentiment [8]. - **Silicon Iron**: The supply - demand driving force is limited, and it follows the valuation fluctuations of coal. The short - term trend is expected to be volatile, affected by raw material costs and steel procurement [8]. - **Manganese Silicon**: After the first - round steel procurement inquiry is announced, the price follows the decline of coking coal. The short - term trend is expected to be volatile, affected by cost prices and overseas quotes [8]. - **Glass**: Prices have been lowered in various regions, and downstream purchasing sentiment is weak. The short - term trend is expected to be volatile, affected by spot sales [8]. - **Soda Ash**: Supply exceeds demand, and cost - driven upward movement is limited. The short - term trend is expected to be volatile, affected by soda ash inventory [8]. - **Aluminum Oxide**: The fundamentals are still in an oversupply situation, and the price is under pressure. The short - term trend is expected to be volatile, affected by ore复产 and electrolytic aluminum复产 [8]. - **Aluminum**: The stock - futures linkage leads to an upward - volatile price. The short - term trend is expected to be a volatile upward, affected by macro risks, supply disruptions, and demand [8]. - **Zinc**: The export window is open, and the price is fluctuating at a high level. The short - term trend is expected to be volatile, affected by macro risks and zinc ore supply [8]. - **Lead**: Social inventory is slightly increasing, and the price is fluctuating. The short - term trend is expected to be volatile, affected by supply disruptions and battery exports [8]. - **Nickel**: Market sentiment is improving, and the price is fluctuating. The short - term trend is expected to be volatile, affected by macro and geopolitical changes, and Indonesian policies [8]. - **Stainless Steel**: Warehouse receipts are decreasing, and the price is fluctuating. The short - term trend is expected to be volatile, affected by Indonesian policies and demand growth [8]. - **Tin**: The inventory of Shanghai tin continues to decrease, and the price is fluctuating. The short - term trend is expected to be volatile, affected by the resumption of production in Wa State and demand improvement [8]. - **Industrial Silicon**: The supply in the southwest is rapidly decreasing, and the price is fluctuating. The short - term trend is expected to be volatile, affected by supply - side production cuts and photovoltaic installations [8]. - **Lithium Carbonate**: The resumption of production expectation is fluctuating, and the price may fluctuate significantly. The short - term trend is expected to be volatile, affected by demand, supply disruptions, and technological breakthroughs [8]. 3.2.6 Energy and Chemicals - **Crude Oil**: There is a lack of short - term driving forces, and the price is expected to be volatile, affected by OPEC+ production policies and the Middle East geopolitical situation [10]. - **LPG**: Refinery output has decreased, and import costs are under pressure. The short - term trend is expected to be volatile, affected by cost factors such as crude oil and overseas propane [10]. - **Asphalt**: The spot price in Shandong has stabilized, and the futures price is expected to be volatile, affected by sanctions and supply disruptions [10]. - **High - Sulfur Fuel Oil**: The futures price is volatile, and attention should be paid to the Russia - Ukraine conflict. The short - term trend is expected to be volatile, affected by geopolitics and crude oil prices [10]. - **Low - Sulfur Fuel Oil**: The refined oil market is strong, and the price may be on a volatile upward trend, affected by crude oil prices [10]. - **Methanol**: High inventory suppresses the price, and overseas disturbances are not significant. The short - term trend is expected to be volatile, affected by the macro - energy situation and overseas developments [10]. - **Urea**: Export information boosts the spot market, and the futures price is expected to be volatile in the short term, affected by export quotas and coal prices [10]. - **Ethylene Glycol**: The spot market is loose, and there is little hope of reversing the downward trend in the short term. The short - term trend is expected to be a volatile downward, affected by coal and oil prices, port inventory, and Sino - US trade friction [10]. - **PX**: The market sentiment is rational, and the processing fee is strongly supported by strong supply and demand. The short - term trend is expected to be volatile, affected by crude oil fluctuations and macro changes [10]. - **PTA**: The market sentiment is flat, and the basis is under pressure. The short - term trend is expected to be volatile, affected by crude oil fluctuations and macro changes [10]. - **Short - Fiber**: Consumers tend to buy on dips, and attention should be paid to the off - peak and peak season conversion. The short - term trend is expected to be volatile, affected by downstream yarn mill purchasing and peak - season demand [10]. - **Bottle Chips**: The market performance is flat, and it follows the cost passively. The short - term trend is expected to be volatile, affected by bottle - chip enterprise production cuts and new device commissioning [10]. - **Propylene**: Inventory needs time to be digested, and the price is expected to be on a volatile downward trend, affected by oil prices and the domestic macro situation [10]. - **PP**: Maintenance support is limited, and the price is expected to be on a volatile downward trend, affected by oil prices and domestic and overseas macro situations [10]. - **Plastic**: Downstream transactions have increased, but maintenance support is limited. The price is expected to be on a volatile downward trend, affected by oil prices and domestic and overseas macro situations [10]. - **Styrene**: There are still concerns about over - inventory, and the price is expected to be on a volatile downward trend, affected by oil prices, macro policies, and device operations [10]. - **PVC**: The weak reality suppresses the price, and it is expected to be volatile, affected by expectations, costs, and supply [10]. - **Caustic Soda**: With low valuation and weak expectations, the price is expected to be volatile, affected by market sentiment, production, and demand [10]. 3.2.7 Agriculture - **Oils and Fats**: Rapeseed oil is relatively strong, and attention should be paid to the effectiveness of upper - level technical resistance. The short - term trend is expected to be a volatile upward, affected by US soybean weather and Malaysian palm oil production and demand data [10]. - **Protein Meal**: US soybeans are testing the upper - level resistance, and it is recommended to hold reverse spreads on Dalian soybean meal. The short - term trend is expected to be volatile, affected by weather, domestic demand, macro factors, and Sino - US and Sino - Canadian trade wars [10]. - **Corn/Starch**: The market is in a short - term tight situation, and the price is expected to be volatile at a high level, affected by demand, macro factors, and weather [10]. - **Pigs**: Supply and demand are loose, and the price is weak. The short - term trend is expected to be a volatile downward, affected by breeding sentiment, epidemics, and policies [10]. - **Natural Rubber**: With the approaching expiration of the November contract, there may be a pulse - like upward movement. The short - term trend is expected to be volatile, affected by production - area weather, raw material prices, and macro changes [10]. - **Synthetic Rubber**: The short - term trend is expected to be volatile, affected by crude oil fluctuations [10]. - **Cotton**: The price has slightly declined, and the short - term trend is expected to be volatile, affected by demand and inventory [10]. - **Sugar**: The price is fluctuating within a narrow range, and the short - term trend is expected to be a volatile downward, affected by imports and Brazilian production [10]. - **Pulp**: The market is dominated by funds, and the long - position advantage remains. The short - term trend is expected to be volatile, affected by macro - economic changes and US dollar - denominated quotes [10]. - **Double - Glued Paper**: In the tendering peak season, the price is expected to stabilize in November and be volatile, affected by production and sales, education policies, and paper - mill operations [10]. - **Logs**: In the de - inventory cycle, the price is expected to be volatile, affected by special port fees, shipment volume, and dispatch volume [10].

Report Industry Investment Rating - Not provided in the given content Core Viewpoints - For LPG, demand improvement is limited and the futures valuation is high. The supply of domestic civil LPG is at a low level while the supply of etherified C4 remains high. The international propane price is strong. In the short term, there is a drive for the valuation to decline due to factors such as compressed PDH device profits [3][4]. - For propylene, the supply - demand pattern is expected to improve slightly. The current supply - demand is relatively loose, leading to a weak downward trend in prices. Next week, the supply is expected to contract and demand is expected to be stable, so there is an expectation of a stop - fall and rebound [7]. Summary by Directory LPG Part Price & Spread - Domestic spot prices of civil LPG fluctuate narrowly, and import costs increase significantly. For example, the price of Shandong civil LPG decreased by 60 yuan/ton week - on - week. FEI and CP are strong, and the import cost is supported. The FEI discount converges, the US - Far East arbitrage space expands, and the freight rate center moves up [9][22]. Supply - US propane shipments increase, with the increment mainly going to Asia. Middle East LPG shipments show different trends, and the total LPG commodity volume in China is 53.1 tons, a 1.2% week - on - week decrease. The propane supply in China is 71.21 tons, a 89.34% week - on - week increase, mainly due to an increase in international ship arrivals [36][66][78]. Demand & Inventory - The PDH operating rate increases and the MTBE operating rate remains stable. The inventory of LPG refineries is at a neutral level year - on - year with limited changes this week. The inventory of LPG terminals is at a relatively high level year - on - year, and the inventory in East China accumulates significantly [81][90][97]. Propylene Part Price & Spread - The international/US - dollar price of propylene further corrects, and the domestic price declines weakly and hits a new low. The profit of some upstream and downstream industries shows different trends, such as the significant contraction of PDH profit [106][111][119]. Balance Sheet - The operating rates of some units in the propylene industry chain change. The national supply and demand of propylene are expected to change slightly in the future. For example, the supply in November 2025 is expected to decrease slightly, and the demand is also expected to decrease slightly [127][132][136].

Report Summary 1. Report Industry Investment Rating The provided content does not mention the report industry investment rating. 2. Core Views - **LPG**: Short - term upward drivers are weakening, and macro risks still exist. The supply of domestic LPG has decreased, and the demand for civil use is recovering. The PDH and MTBE device operating rates have increased. The prices in East and South China have declined, while Shandong's prices have rebounded after a fall. It is recommended to closely monitor macro - factors, import costs, and international geopolitical situations [3][4]. - **Propylene**: The supply and demand are relatively loose, and it is expected to fluctuate weakly in the short term. The supply has slightly decreased this week, and the demand from downstream industries remains weak. Although the supply and demand are expected to increase next week, the pattern of loose supply and demand will not change. It is recommended to pay attention to PDH device shutdown dynamics and the propylene - powder price difference [7]. 3. Section Summaries LPG Part - **Price & Spread** - Domestic spot prices: Shandong's civil gas prices have rebounded, while prices in other regions such as East and South China have declined. Imported gas prices and FEI, CP have first fallen and then risen, with a significant increase in FEI [10]. - Regional quotations, discounts, and freight: The freight from the Middle East to the Far East has continued to decline, and the freight from the United States to the Far East has stopped falling. The FEI discount has improved [24]. - Propane prices: They have rebounded from a low level [37]. - **Supply** - International shipping: The arrival of international ships in China has decreased compared to last week, mainly in South China, due to sea gales [3]. - Domestic production: The total commercial volume of LPG is 537,000 tons, a 2.4% decrease from last week. The propane commercial volume has decreased due to less - than - expected ship arrivals [60][70]. - Shipment volume: The shipment volumes of the United States, Canada, and the Middle East have changed to varying degrees, with overall decreases in some regions [47][48][49]. - **Demand & Inventory** - Chemical demand: The operating rates of PDH and MTBE have increased [74]. - Domestic refinery inventory: The inventory of civil gas is at a relatively high level year - on - year, with limited changes this week [84]. - Port inventory: The inventory is at a high level year - on - year, mainly with destocking on a month - on - month basis [89]. Propylene Part - **Price & Spread** - Upstream prices: Brent, WTI, and other upstream prices have increased, while some prices such as NAP in Shandong have decreased [100]. - Propylene prices: International/US - dollar prices have slightly corrected from a high level, and domestic prices have stopped falling and stabilized [103][111]. - Mid/upstream and downstream profits: Profits in various sectors have changed, with significant decreases in some sectors such as PDH [100][102]. - **Balance Sheet** - Operating rates: The operating rates of PDH and some downstream industries have increased, while the operating rates of some upstream and downstream industries have decreased [120]. - Supply and demand balance: The supply and demand of propylene are relatively loose, with expected increases in both supply and demand next week, but the loose pattern will not change [7].

Report Information - Report Title: C3 Industry Chain Weekly Report [1] - Report Date: October 19, 2025 [1] - Analyst: Chen Xinchao, Zhao Shucen [1] Report Industry Investment Rating - No industry investment rating was provided in the report. Core Views LPG - This week, LPG's civil price declined due to international oil prices and a loose domestic supply - demand pattern; import costs dropped as FEI and CP decreased. The contract rebounded from previous lows. In the short - term, chemical demand is weak, and supply is affected by macro and policy uncertainties. Attention should be paid to macro factors, import costs, and international geopolitical situations [3]. Propylene - This week, domestic propylene prices declined due to changes in supply and demand. Supply decreased slightly, and demand weakened significantly. Next week, supply is expected to increase slightly, and demand will improve, but the loose pattern will continue. Propylene prices are expected to remain weak with limited downside [4]. Summary by Directory LPG - Price & Spread - LPG domestic spot prices, including those of civil gas and other types, generally declined this week. Import gas prices also showed a downward trend, and the basis of various types of LPG changed significantly [7]. - The US - Far East freight dropped sharply, and the spreads between FEI and CP showed opposite trends. Propane prices weakened significantly [14][23]. LPG - Supply - US propane shipments to Japan and South Korea increased significantly due to the substitution of cracking raw materials. Canadian propane shipments decreased slightly. Qatar, UAE, Kuwait, and other Middle Eastern countries' LPG shipments showed different trends. China's LPG imports decreased, and the total LPG commodity volume increased slightly [32][40][59]. - The total domestic LPG commodity volume was 55.0 tons (+1.3%), with civil gas at 22.2 tons (+1.8%). Propane imports decreased by 12.9 tons [62][71]. LPG - Demand & Inventory - The开工 rates of PDH and MTBE decreased slightly. In terms of inventory, LPG refinery and port inventories were at a high level year - on - year and mainly decreased month - on - month (except in Shandong) [77][86][96]. Propylene - Price & Spread - Upstream prices of the propylene industry chain generally declined, and propylene prices also decreased. The prices of downstream products in the propylene industry chain showed different trends, and the profits of some products changed significantly [107][109]. - International and domestic propylene prices both showed a downward trend, with international prices having a slight correction from high levels and domestic prices running weakly [110][118]. Propylene - Balance Sheet - The开工 rates of the propylene industry chain changed this week, with some devices having decreased开工 rates. The supply and demand of propylene in the national balance sheet showed different trends in different months, and the inventory decreased slightly [128][130][131].

Investment Rating - The report indicates a negative performance for the oil and petrochemical sector, which underperformed the Shanghai Composite Index by -2.59% [9]. Core Insights - Oil prices have declined due to increased supply from the Middle East and geopolitical tensions, with WTI and Brent prices at $57.46 and $61.08 respectively, reflecting a decrease of -1.44 and -3.97 [3]. - The refining sector is experiencing a cautious market sentiment, with average refining margins for major refineries dropping to 547.82 yuan/ton, down by 71.31 yuan/ton [3]. - Polyester demand is expected to improve marginally with the onset of cooler temperatures and upcoming orders for Double Eleven, although raw material price trends remain uncertain [3]. - The ethylene market is showing weakness, with domestic prices at 6385 yuan/ton, down by 2.67% from the previous week [3]. Market Review - The oil and petrochemical sector has seen a decline in various indices, with the polyester index dropping by -7.72% and the olefin index by -4.48% [9]. - The average operating rate for major domestic refineries is reported at 81.23%, a decrease of 1.03 percentage points from the previous week [3]. - The report highlights a significant increase in commercial crude oil inventories, with a rise of 352.4 million barrels week-on-week [3]. Price Tracking - Brent crude oil is currently priced at $61.06 per barrel, reflecting a -10.43% change from the previous quarter's average [12]. - The average profit level for polyester filament yarn (POY150D) has increased to 176.46 yuan/ton, up by 60.27 yuan/ton from the previous week [3]. - The price of propylene in Shandong is reported at 6215 yuan/ton, down by 3.94% from the previous week [12].

Report Industry Investment Rating - Not provided in the given content Core View of the Report - Next week, there is a risk of increased volatility in global major asset classes. Investors are advised to maintain a strategic allocation to precious metals such as gold and be relatively cautious about risk assets like equities, waiting and seeing. In the medium - term of the fourth quarter, the basic allocation view of equities > commodities > bonds is still held, and attention can be paid to potential buying opportunities for equity assets after the turmoil subsides [6] Summary by Related Catalogs Market Performance Summary - **Financial Market**: In the stock index futures, technology events catalyze the active growth style; the market turnover of index options slightly declines; the bond market of treasury bond futures remains weak. For example, the current price of CSI 300 futures is 4,590 with a daily increase of 0.30%, and the 2 - year treasury bond futures price is 102.362 with a daily decrease of 0.02% [2][7] - **Commodity Market**: Precious metals like COMEX gold and silver have significant increases, with COMEX gold rising 1.57% daily and COMEX silver rising 4.69% daily. In the energy sector, NYMEX WTI crude oil and ICE Brent oil have daily increases of 0.27% and 0.31% respectively, but have declined this year. In the agricultural products sector, CBOT soybeans and other varieties show different trends [2] - **Shipping Market**: The freight rate of container shipping to Europe is under pressure, with a monthly decline of 3.37% [3] Macro - situation Analysis - **Overseas Macro**: Next week, attention should be paid to new tariff threats from Trump and the marginal changes in the US government shutdown. There is a risk of conflict escalation before the APEC meeting at the end of October. If the US government shutdown exceeds 30 days, it will increase the recession risk [6] - **Domestic Macro**: China will gradually enter the period of focusing on the "15th Five - Year Plan" and tracking incremental policies. The progress and effectiveness of a batch of incremental policies such as 500 billion new policy - based financial instruments are worthy of follow - up [6] Asset Views - **Short - term**: Maintain a strategic allocation to precious metals such as gold, and be cautious about risk assets like equities next week [6] - **Medium - term (Fourth Quarter)**: Hold the basic allocation view of equities > commodities > bonds, and pay attention to potential buying opportunities for equity assets after the turmoil [6] View Highlights - **Financial**: Stock index futures are expected to rise in shock, index options to fluctuate, and treasury bond futures to oscillate [7] - **Precious Metals**: Gold and silver are expected to rise in shock [7] - **Shipping**: Container shipping to Europe is expected to fluctuate [7] - **Black Building Materials**: Most varieties such as steel, iron ore, coke, etc. are expected to oscillate [7] - **Non - ferrous Metals and New Materials**: Most non - ferrous metal varieties are expected to oscillate, and aluminum is expected to rise in shock [7] - **Energy and Chemicals**: Most varieties are expected to decline in shock, and some varieties such as asphalt and high - sulfur fuel oil are expected to oscillate [9] - **Agriculture**: Most varieties are expected to oscillate, and some varieties such as sugar and paper pulp are expected to decline in shock [9]

Report Industry Investment Rating - Not provided in the content Core Viewpoints - **LPG**: Short - term weak operation. Although PDH profit has improved significantly due to the weakening of propane, the current tense Sino - US trade relationship and strong market wait - and - see sentiment make it difficult to fully realize demand support. However, considering that the PG main contract has reached a new low and civil demand is gradually improving, the downward space is expected to be limited [3]. - **Propylene**: Demand is weakening, and it will run weakly in the short term. Next week, although the supply may shrink due to the expected maintenance of PDH devices, the demand will weaken as some PO and acrylic acid devices plan to stop for maintenance, so the upward momentum of prices is limited [4]. Summary by Relevant Catalogs LPG Part Price & Spread - **Domestic Spot and Basis**: There are significant differences in the price changes of civil gas in different regions. The prices of Shandong, East China, and South China have changed by - 100, 21, and - 50 yuan/ton respectively on a weekly basis. For other LPG and basis, the prices of Shandong ether - after, East China import, and South China import have also changed, and the basis of civil gas in different regions has also shown different trends [7]. - **Regional Quotations, Premiums, and Freight**: The freight from the US to the Far East has decreased, the FEI premium has weakened, and there is an arbitrage space [18]. - **Propane Price**: It has weakened significantly [28]. Supply - **International Shipment**: The US, Canada, Qatar, and other countries' LPG shipment volumes have different degrees of changes. For example, the US - China propane shipment volume (weekly) MA4 has decreased by 1 compared with the previous period [38]. - **Domestic Supply**: The total LPG commodity volume is 54.3 tons (+0.6%), of which the civil gas commodity volume is 21.8 tons (+1.0%), and the ether - after C4 commodity volume remains at a high level. The propane commodity volume has decreased, and the imported vessel arrivals have decreased by 6.7 tons [60][69]. Demand & Inventory - **Chemical Demand**: The operating rates of PDH and MTBE have decreased slightly [73]. - **Domestic Refinery Inventory**: The ether - after inventory is at a high level, and the civil gas is accumulating inventory. The inventory of LPG refineries in different regions has different trends, such as the inventory of civil gas refineries in Shandong has increased by 1.29% on a weekly basis [82]. - **Terminal Imported Cargo Inventory**: The inventory in East China and Shandong has decreased from a high level, while the inventory in South China has increased slightly [92]. Propylene Part Price & Spread - **Upstream Price**: The prices of Brent, WTI, and other upstream products have decreased to varying degrees on a weekly basis. For example, Brent has decreased by 4.97 US dollars/bbl, with a weekly average change of - 4.73% [103]. - **Propylene Price**: The international/US - dollar price has slightly corrected from a high level, and the domestic/Shandong market is relatively strong, while the East China price has declined, and the regional spread has widened [106][114]. - **Downstream Price/Profit**: The prices and profits of downstream products such as PP particles, PP powder, and PO have changed. For example, the price of PP particles has decreased by 63 yuan/ton on a weekly basis, and the profit has decreased by 53 yuan/ton [105]. Balance Sheet - **Supply**: In October 2025, the total domestic propylene supply is expected to be 550 tons, with a weighted operating rate of 80.5%, an increase of 7.64% compared with the previous month. The supply from different sources such as main refineries, local refineries, and PDH devices has different degrees of changes [127]. - **Demand**: In October 2025, the total domestic propylene demand is expected to be 544 tons, with a weighted operating rate of 79.5%, an increase of 5.95% compared with the previous month. The demand from downstream products such as polypropylene particles, polypropylene powder, and epoxy propane has different degrees of changes [128].

Group 1: Report Information - Report Title: C3 Industry Chain Weekly Report [1] - Report Date: September 28, 2025 [1] - Analyst: Chen Xinchao [1] - Contact: Zhao Shucen [1] Group 2: Industry Investment Rating - Not provided in the report Group 3: Core Views LPG Part - Short - term support is not weak. Domestic supply has a slight increase, and import to - ship volume is expected to rise next week. Demand in the civil and chemical sectors is expected to strengthen [3]. - This week, civil gas prices showed different trends in different regions, and the FEI price of imported gas decreased slightly. Next week, import costs may increase, and the fundamentals may provide some support [4]. Propylene Part - Supply devices are gradually returning, and the market is expected to run weakly in the short - term, but there is still support at the bottom [5]. Group 4: Summary by Sections LPG Part - Price & Spread - This week, civil gas prices in East China declined slightly, those in Shandong rose slightly, and those in South China were relatively firm. Imported gas prices showed a narrow - range decline. The week - on - week changes in different regions varied [3][4][8]. - The US - Far East freight first remained stable and then declined, the FEI discount weakened, and the arbitrage space narrowed [20]. LPG Part - Supply - The total domestic LPG commodity volume was 53.9 tons, a 0.1% increase week - on - week. The civil gas commodity volume was 21.1 tons, a 4.8% increase, while the ether - after carbon four commodity volume was 18.0 tons, a 1.6% decrease [3][64]. - The international ship - arrival volume decreased by 4.1 tons this week, mainly in East China, but it is expected to increase next week [3]. LPG Part - Demand & Inventory - In terms of demand, the civil demand is strengthening, and the PDH and MTBE device operating rates have increased [3]. - Refinery inventories in East China and South China showed different trends, and port inventories in South China decreased while those in East China and Shandong increased [80][95]. Propylene Part - Price & Spread - Upstream prices such as Brent and WTI increased slightly, and propylene prices in different regions and international markets showed a downward trend [106]. - The profits of different production methods in the mid - upstream and downstream showed different changes [106][108]. Propylene Part - Balance Sheet - The operating rates of different production methods in the propylene industry chain showed different trends this week, with some increasing and some decreasing [127]. - From January to September 2025, the supply and demand of domestic propylene showed different changes in different months, and the balance volume also fluctuated [130][131].

Report Industry Investment Ratings No relevant content provided. Core Views of the Report - The crude oil market is affected by factors such as Fed rate - cut expectations, Sino - US trade negotiations, and geopolitical issues. Short - term oil prices are expected to be volatile [1][2]. - The asphalt market has a complex supply - demand situation. With increasing supply and weak pre - holiday demand, the spot price is expected to be weak, and the futures price is expected to be weak and volatile [3][4]. - The fuel oil market has different trends for high - sulfur and low - sulfur fuel oils. High - sulfur fuel oil is under pressure from high inventory, while low - sulfur fuel oil has increasing supply and weak demand [5][6]. - The PX & PTA market has a tight balance in the short - term, but the supply is expected to increase in the medium - term, and the price is affected by macro and cost factors [8][9]. - The ethylene glycol market has an expected increase in supply and a weakening demand, with a risk of inventory accumulation [11][12]. - The short - fiber market is expected to be volatile and strong in the short - term due to rising raw material prices, but the processing fee is expected to remain low [13][14]. - The PR (bottle - chip) market is expected to be volatile and strong in the short - term due to rising raw material prices, and the processing fee is expected to fluctuate at a low level [14][15]. - The pure benzene and styrene market has different supply - demand situations. Pure benzene supply is expected to increase, and the price is expected to be volatile; styrene supply is expected to increase, and the price is under pressure [16][17]. - The propylene market has an increasing supply and weak downstream demand, and the price is recommended to be short - sold on rebounds [19][20]. - The plastic and PP market has a short - term price volatility due to rising oil prices and a medium - term bearish outlook [21][23]. - The PVC market has a large inventory pressure, and the supply is expected to increase while the demand is weak, with a bearish outlook in the short - and medium - term [23][26]. - The caustic soda market is in a state of weak reality and strong expectation. The short - term is weak, and the medium - term is expected to be long after a sufficient correction [28][29]. - The soda ash market is expected to be stable before the holiday and weak after the holiday, affected by factors such as supply, demand, and inventory [31][32]. - The glass market is expected to be volatile before the holiday, affected by factors such as production, inventory, and demand [34][36]. - The methanol market has an increasing supply and a high port inventory, and the price rebound is limited [39]. - The urea market is expected to be volatile in the short - term, affected by factors such as supply, demand, and export [40][41]. - The log market has a weak supply - demand situation, and the price can be slightly long - tried near the integer level [43]. - The pulp market has a high port inventory and weak demand, and the price can be slightly long - bought at the low point of last week [44][46]. - The offset printing paper market has a slight increase in supply and weak demand, and the price of the 01 contract can be short - sold near the lower limit of the spot price [47][48]. - The natural rubber and 20 - number rubber market has different trends for different types of rubber, and the trading strategies vary for different contracts [49][51]. - The butadiene rubber market has a decreasing capacity utilization rate, and the price of the 11 - contract can be short - tried [52][54]. Summary by Relevant Catalogs Crude Oil - **Market Review**: WTI2511 contract settled at $64.98, down $0.01 (- 0.02%); Brent2511 contract settled at $69.42, up $0.11 (+ 0.16%); SC2511 contract rose 6.6 to 488.9 yuan/barrel, and rose 2.2 to 491.1 yuan/barrel at night [1]. - **Related News**: A new Fed governor called for significant rate cuts, but other colleagues advocated caution. US initial jobless claims decreased, and investors thought it did not support further rate cuts. Sino - US trade negotiations made progress, and the Russia - Ukraine geopolitical situation affected oil prices [1][2]. - **Logic Analysis**: Sino - US trade negotiations improved the macro - sentiment, and the Russia - Ukraine geopolitical situation increased the risk premium. The short - term oil price is expected to be volatile, with the Brent main contract operating in the range of $67.5 - 69 per barrel [2]. - **Trading Strategies**: Unilateral trading is expected to be volatile, with the Brent main contract operating in the range of $67.5 - 69 per barrel; gasoline and diesel crack spreads are weak; options are on hold [2]. Asphalt - **Market Review**: BU2511 closed at 3440 points (+ 0.41%) at night, and BU2512 closed at 3386 points (+ 0.39%) at night. The spot price in Shandong, East China, and South China remained stable [3]. - **Related News**: In the Shandong market, rising crude oil prices and reduced rainfall increased demand, but the supply - demand pattern did not change significantly. In the Yangtze River Delta market, pre - holiday project rush increased demand, but low - price resources from some merchants affected the price. In the South China market, typhoon and rainfall affected sales, but the expected reduction in production in October supported the price [3]. - **Logic Analysis**: The domestic asphalt plant operating rate increased, the refinery inventory increased, and the social inventory decreased. The high - level oil price supported the cost, but the pre - holiday demand was weak. The short - term spot price is expected to be weak, and the futures price is expected to be weak and volatile [4]. - **Trading Strategies**: Unilateral trading is expected to be range - bound; the asphalt - crude oil spread is expected to be weak; sell out - of - the - money call options on BU2512 [4][5]. Fuel Oil - **Market Review**: FU01 contract closed at 2893 (+ 0.35%) at night, and LU11 closed at 3455 (+ 0.58%) at night. The Singapore paper - cargo market had different month - spreads for high - sulfur and low - sulfur fuel oils [5]. - **Related News**: The ARA fuel oil inventory decreased, and the Singapore fuel oil inventory decreased. The high - sulfur and low - sulfur fuel oil spot windows had no or few transactions [6]. - **Logic Analysis**: Russian energy facilities were attacked, but the refineries and transportation facilities recovered. The high - sulfur fuel oil supply increased, and the demand decreased. The low - sulfur fuel oil supply increased, and the demand had no specific driver [6][7]. - **Trading Strategies**: Unilateral trading: FU main contract is expected to be strongly volatile, and LU near - month contract is expected to be range - bound with crude oil; consider widening the LU01 - FU01 spread; sell out - of - the - money call options on FU01 [8]. PX & PTA - **Market Review**: PX2511 main contract closed at 6674 (+ 72/+ 1.09%) during the day and 6636 (- 38/- 0.57%) at night; TA601 main contract closed at 4678 (+ 52/+ 1.12%) during the day and 4652 (- 26/- 0.56%) at night. The PX spot price increased, and the PTA basis was stable [8]. - **Related News**: The PTA and polyester operating rates changed. The PTA production and sales increased [9]. - **Logic Analysis**: The PX supply is expected to increase, and the demand is expected to be stable. The PTA supply is expected to increase slightly in October, and the demand is expected to be stable. The price is affected by macro and cost factors [9][10]. - **Trading Strategies**: Unilateral trading: short - term price is expected to be strong due to rising oil prices and market sentiment, and medium - term price is recommended to be short - sold on highs; arbitrage is on hold; options are on hold [10]. Ethylene Glycol - **Market Review**: EG2601 main contract closed at 4246 (+ 12/+ 0.28%) and 4224 (- 22/- 0.52%) at night. The spot basis was stable [10][11]. - **Related News**: The ethylene glycol production and sales changed, and the operating rate decreased [11]. - **Logic Analysis**: The supply is expected to increase due to planned maintenance and new device commissioning, and the demand is expected to be weak. The market is expected to be loose, and there is a risk of inventory accumulation [12]. - **Trading Strategies**: Unilateral trading is expected to be weak and volatile; arbitrage is on hold; sell call options [12]. Short - Fiber - **Market Review**: PF2511 main contract closed at 6372 (+ 76/+ 1.21%) during the day and 6326 (- 46/- 0.72%) at night. The spot price in different regions was stable or slightly increased [12][13]. - **Related News**: The polyester production and sales increased, and the terminal operating rate increased [13]. - **Logic Analysis**: The short - fiber processing fee fluctuated narrowly. The raw material price increase and terminal operating rate increase promoted inventory reduction, but the terminal cash flow was in deficit, and the processing fee was expected to remain low [14]. - **Trading Strategies**: Unilateral trading is expected to be strong and volatile in the short - term; arbitrage is on hold; options are on hold [14]. PR (Bottle - Chip) - **Market Review**: PR2511 main contract closed at 5840 (+ 56/+ 0.97%) and 5808 (- 32/- 0.55%) at night. The spot market had a good trading atmosphere [14]. - **Related News**: The bottle - chip factory export price increased slightly [14]. - **Logic Analysis**: The downstream terminal bid for next - year's first - quarter orders, a bottle - chip device was under maintenance, and the operating rate decreased. The inventory was expected to decrease, and the processing fee was expected to fluctuate at a low level [15]. - **Trading Strategies**: Unilateral trading is expected to be strong and volatile in the short - term; arbitrage is on hold; options are on hold [15]. Pure Benzene and Styrene - **Market Review**: BZ2503 main contract closed at 5922 (+ 15/+ 0.25%) during the day and 5894 (- 28/- 0.47%) at night; EB2511 main contract closed at 6958 (+ 30/+ 0.43%) during the day and 6927 (- 31/- 0.45%) at night. The pure benzene spot price increased slightly, and the styrene port inventory increased [16]. - **Related News**: The pure benzene and styrene production and sales and operating rates changed [17]. - **Logic Analysis**: The pure benzene supply is expected to increase, and the demand is expected to be stable. The styrene supply is expected to increase, and the demand is expected to decrease. The price is affected by inventory and downstream demand [17][18]. - **Trading Strategies**: Unilateral trading: short - term price is expected to be strong due to geopolitical and macro factors, and medium - term price is recommended to be short - sold on highs; long pure benzene and short styrene in arbitrage; options are on hold [18]. Propylene - **Market Review**: PL2601 main contract closed at 6372 (+ 15/+ 0.24%) and 6371 (- 1/- 0.02%) at night. The spot price in different regions remained stable [18][19]. - **Related News**: The domestic propylene operating rate increased [19]. - **Logic Analysis**: The propane market entered the peak season, and the demand for PDH devices was expected to increase. The propylene supply increased due to device restart, and the market was loose. The downstream product profit was poor, and the load increase was limited [19][20]. - **Trading Strategies**: Unilateral trading is recommended to short - sell on rebounds; arbitrage is on hold; sell put options [21]. Plastic and PP - **Market Review**: The LLDPE market price partially weakened, and the PP spot price in different regions was stable or slightly changed. The linear futures increased slightly [21]. - **Related News**: The PE and PP maintenance ratios decreased, and the operating rates changed. The downstream industry operating rates increased slightly [21][22]. - **Logic Analysis**: The downstream demand was in the peak season, and the pre - holiday inventory was concerned. The supply was expected to increase due to reduced maintenance and new device commissioning. The near - term cost increase supported the price, and the medium - term price was recommended to be short - sold on highs [23]. - **Trading Strategies**: Unilateral trading: short - term price is expected to be volatile, and medium - term price is recommended to be short - sold on highs; arbitrage is on hold; options are on hold [23]. PVC - **Market Review**: The PVC spot price was strong and volatile, and the futures price was also strong and volatile. The trading was light [23]. - **Related News**: The PVC production enterprise capacity utilization rate increased, the预售 volume increased slightly, the factory inventory increased, and the social inventory increased [24][25]. - **Logic Analysis**: The PVC inventory was at a high level, and the supply was expected to increase due to new device commissioning. The demand was weak due to the real - estate market weakness, and the export was expected to decrease. The short - and medium - term outlook was bearish [26]. - **Trading Strategies**: Unilateral trading is bearish in the short - and medium - term; arbitrage is on hold; options are on hold [26]. Caustic Soda - **Market Review**: The caustic soda spot price in different regions remained stable [26]. - **Related News**: The caustic soda production enterprise capacity utilization rate increased, and the inventory increased [28]. - **Logic Analysis**: The caustic soda market was in a state of weak reality and strong expectation. The short - term was affected by inventory and price reduction, and the medium - term was expected to be long after a sufficient correction [28]. - **Trading Strategies**: Unilateral trading: short - term is weak, and medium - term is long after a sufficient correction; arbitrage is on hold; options are on hold [29]. Soda Ash - **Market Review**: The soda ash futures 01 contract closed at 1315 yuan (+ 8/+ 0.6%) during the day and 1306 yuan (- 9/- 0.7%) at night. The spot price in different regions changed slightly [29][31]. - **Related News**: The soda ash production, inventory, and profit changed. The market was weak and stable [32]. - **Logic Analysis**: The soda ash supply was at a high level, and the demand was stable. The price was affected by inventory, downstream demand, and policy. The price was expected to be stable before the holiday and weak after the holiday [32]. - **Trading Strategies**: Unilateral trading: stable before the holiday and weak after the holiday; long glass and short soda ash in short - term arbitrage; options are on hold [32][34]. Glass - **Market Review**: The glass futures 01 contract closed at 1270 yuan (+ 33/+ 2.67%) and 1264 yuan (- 6/- 0.47%) at night. The spot price in different regions increased [34][35]. - **Related News**: The glass production, inventory, and profit changed. The market trading atmosphere was good [34][35]. - **Logic Analysis**: The glass production increased slightly, and the inventory decreased. The price was affected by production, inventory, and demand. The price was expected to be volatile before the holiday [36]. - **Trading Strategies**: Unilateral trading is expected to be volatile before the holiday; long glass and short soda ash in short - term arbitrage; options are on hold [36][37]. Methanol - **Market Review**: The methanol futures closed at 2341 (- 16/- 0.68%). The spot price in different regions was stable [38]. - **Related News**: The methanol production increased, and the device capacity utilization rate increased [39]. - **Logic Analysis**: The international device operating rate decreased, and the import recovered. The domestic supply was loose due to the end of autumn maintenance. The port inventory increased rapidly. The price rebound was limited due to supply and inventory [39]. - **Trading Strategies**: Unilateral trading: stop loss on short positions; arbitrage is on hold; sell call options [40]. Urea - **Market Review**: The urea futures closed at 1674 (+ 1/+ 0.06%). The spot price was stable with small changes [40]. - **Related News**: The urea production and operating rate changed [40]. - **Logic Analysis**: The urea supply was loose, and the demand was weak. The export had a certain