能源化工C3产业链周度报告-20250928

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].