证券研究报告 行业研究——周报 [Table_ReportType] [Table_StockAndRank] 石油加工行业 刘红光 石化行业联席首席分析师 执业编号：S1500525060002 邮箱：liuhongguang@cindasc.com 刘奕麟 石化行业分析师 执业编号：S1500524040001 邮箱：liuyilin@cindasc.com 信达证券股份有限公司 CINDASECURITIESCO.，LTD 北京市西城区宣武门西大街甲127号金隅大厦B 座 邮编：100031 [Table_Title] 大炼化周报：成本端支撑强劲，化工品及涤纶 产业链价格拉涨 [Table_ReportDate0] 2026 年 2 月 1 日 本期内容提要： [Table_Author] [Table_Summary] ➢ 国内外重点炼化项目价差跟踪：截至 1 月 30 日当周，国内重点大炼 化项目价差为 2537.18 元/吨，环比变化+18.62 元/吨（+0.74%）； 国外重点大炼化项目价差为 1098.52 元/吨，环比变化-42.24 元/吨（- 3.70%）。截至 1 月 30 日当周， ...

证券日报网1月30日讯 ，东方盛虹在接受调研者提问时表示，2025年，斯尔邦石化整体经营情况良好。 斯尔邦石化主要产品包括EVA、丙烯腈、MMA、丁二烯、环氧乙烷、POE、超高分子量聚乙烯等。斯 尔邦石化与盛虹炼化均位于连云港石化园区内，乙烯、丙烯等原料可以实现互供，协同效应显著。 EVA、丙烯腈等装置运行成熟，开工率高于行业平均水平，具备明显成本优势和产业协同效应。 （编辑 王雪儿） ...

格隆汇1月28日丨齐翔腾达(002408.SZ)近日接受特定对象调研时表示，公司目前正持续开拓产品下游的 新兴应用场景，如甲乙酮在电子清洗领域的应用、顺酐在新型环保板材中的应用、高纯无水叔丁醇在半 导体光刻胶稀释剂领域的应用，以及环氧丙烷在新能源汽车座椅填充材料中的应用等；与此同时，公司 正通过自主研发、与科研院所及高等院校合作等方式推进关键技术攻关，加速科技成果转化落地，目前 依托现有MMA 产品优势，公司稳步向 PMMA 等下游高性能树脂材料领域延伸，已与科研院所开展 PMMA 技术小试合作，后续将推进中试及产业化研究。 ...

格隆汇1月28日丨齐翔腾达(002408.SZ)近日接受特定对象调研时表示，公司目前正持续开拓产品下游的 新兴应用场景，如甲乙酮在电子清洗领域的应用、顺酐在新型环保板材中的应用、高纯无水叔丁醇在半 导体光刻胶稀释剂领域的应用，以及环氧丙烷在新能源汽车座椅填充材料中的应用等；与此同时，公司 正通过自主研发、与科研院所及高等院校合作等方式推进关键技术攻关，加速科技成果转化落地，目前 依托现有MMA 产品优势，公司稳步向 PMMA 等下游高性能树脂材料领域延伸，已与科研院所开展 PMMA 技术小试合作，后续将推进中试及产业化研究。 ...

Investment Rating - The report does not explicitly state an investment rating for the petrochemical industry [1]. Core Insights - The report highlights that the reduction in production of polyester filament supports the upward movement of product prices [1]. - Domestic and international refining project price differentials are tracked, with domestic key refining project price differential at 2474.39 CNY/ton, a decrease of 21.68 CNY/ton (-0.87%) week-on-week, while the international price differential is at 1105.24 CNY/ton, down by 57.47 CNY/ton (-4.94%) [2][3]. - Brent crude oil's weekly average price is reported at 64.50 USD/barrel, reflecting a week-on-week increase of 4.69% [2]. Summary by Sections Refining Sector - The report discusses the impact of geopolitical tensions in Venezuela and Iran, which have influenced oil prices. Initially, oil prices rose due to these tensions, but later eased as the situation in Iran stabilized and Venezuelan oil exports resumed [2][15]. - Domestic refined oil prices have shown a slight decline, with diesel, gasoline, and aviation kerosene averaging 6334.57 CNY (-70.71), 7526.14 CNY (-25.43), and 5246.79 CNY (-11.79) per ton respectively [15]. Chemical Sector - The chemical products' prices have generally increased due to strong cost support. Polyethylene prices are fluctuating, while polypropylene prices are rising due to reduced supply pressure from increased maintenance [2][43]. - EVA prices have significantly increased due to the cancellation of export tax rebates for photovoltaic products, leading to improved price differentials [2][43]. - Benzene prices have risen, but the price differential remains stable, while styrene prices have increased due to strong overseas demand and declining inventory [2][43]. Polyester & Nylon Sector - In the polyester segment, cost support remains strong, but weak demand in the textile sector has led to a slight increase in PX prices. The overall operating rate has decreased due to maintenance and production cuts in filament plants, resulting in price increases driven by supply-side support [2][43].

Investment Rating - The report does not explicitly state an investment rating for the oil refining industry Core Insights - The domestic key refining project price difference is 2557.23 CNY/ton, with a week-on-week change of +11.87 CNY/ton (+0.47%), while the international key refining project price difference is 1254.57 CNY/ton, with a week-on-week change of -43.45 CNY/ton (-3.35%) [2][3] - Brent crude oil's average price for the week ending December 26, 2025, is 61.73 USD/barrel, reflecting a week-on-week increase of +2.74% [2][3] - The refining sector is affected by geopolitical tensions, particularly regarding Venezuela and Russia, which have led to supply concerns and fluctuations in oil prices [2][15] - The chemical sector is experiencing weak demand, leading to a downward shift in chemical product prices [2][49] - Polyester production has seen a significant increase in sales volume, with downstream demand improving, which has positively impacted upstream prices [2][55] Summary by Sections Refining Sector - The report highlights the impact of geopolitical events on oil prices, with Brent and WTI crude prices at 60.64 and 56.74 USD/barrel respectively, showing slight increases [2][15] - Domestic refined oil prices have slightly decreased, with diesel, gasoline, and aviation kerosene averaging 6566.86, 7622.14, and 5716.07 CNY/ton respectively [2][15] Chemical Sector - The report notes a decline in demand for chemical products, with prices for polyethylene and EVA showing downward trends [2][55] - The average price for LDPE, LLDPE, and HDPE is reported as 9000.00, 6329.29, and 8000.00 CNY/ton respectively, with corresponding price differences from crude oil [2][55] Polyester & Nylon Sector - The polyester sector has seen a significant increase in production and sales, with a notable reduction in inventory levels and a slight increase in prices for polyester filament yarn [2][55] - The report indicates that the nylon filament prices remain stable, with slight improvements in price differences [2][55] Stock Performance - The report provides stock performance data for six major refining companies, with notable increases in stock prices for companies like Hengli Petrochemical (+11.01%) and Rongsheng Petrochemical (+12.12%) over the past week [2]

Investment Rating - The report does not explicitly state an investment rating for the oil refining industry Core Insights - The report highlights a seasonal decline in demand and weak cost support, leading to a downward trend in chemical product price spreads [2] - Domestic key refining project price spread is 2527.61 CNY/ton, with a week-on-week increase of 22.27 CNY/ton (+0.89%), while the international key refining project price spread is 1330.98 CNY/ton, with a week-on-week decrease of 6.23 CNY/ton (-0.47%) [3] - Brent crude oil weekly average price is 62.00 USD/barrel, with a week-on-week decrease of 1.73% [2] Summary by Sections Refining Sector - Positive signals in China-US trade relations boosted market risk appetite, while concerns over Russian supply supported international oil prices [2] - Brent and WTI crude oil prices on December 12, 2025, were 61.12 USD/barrel and 57.44 USD/barrel, respectively, down by 2.63 USD/barrel and 2.64 USD/barrel from December 5, 2025 [2] - Domestic refined oil prices showed slight fluctuations, with diesel and aviation kerosene prices in Southeast Asia experiencing minor increases, while other regions saw price declines [2] Chemical Sector - The industry is entering a demand off-season, with weak cost support leading to a decline in chemical product prices and spreads [2] - Polyolefins prices and spreads have decreased due to a continuous decline in terminal operating levels [2] - EVA prices have dropped due to supply pressure from new installations and weak demand, with the average price at 10028.57 CNY/ton [2] - Benzene prices remained stable, with a slight increase in spreads, while styrene prices increased due to tight supply [2] Major Refining Companies - Stock price changes for six major private refining companies as of December 12, 2025, include: Rongsheng Petrochemical (-4.69%), Hengli Petrochemical (-5.22%), Dongfang Shenghong (-0.96%), Hengyi Petrochemical (-1.09%), Tongkun Co. (-6.62%), and Xin Fengming (-9.99%) [2]

Core Viewpoint - The establishment of the integrated polystyrene new materials project by Huizhou Renxin New Materials Co., Ltd. represents a significant investment of 3.8 billion yuan, aimed at strengthening and supplementing the industrial chain in the Daya Bay petrochemical area, thereby enhancing the resilience of the industry chain [1] Group 1 - The project has a total investment of 3.8 billion yuan and is expected to generate an annual output value of approximately 7.8 billion yuan upon reaching full production [1] - The project will produce various materials, including 128,000 tons/year of low-cis polybutadiene new materials (LCBR), 550,000 tons/year of high-impact polystyrene (HIPS), and 100,000 tons/year of polymethyl methacrylate (PMMA) [1] - The main raw materials for the project will be sourced from related enterprises within the Daya Bay petrochemical park, utilizing advanced domestic and international technologies to create high-value-added products [1] Group 2 - The project aims to fill the gap in the domestic and South China markets for products such as PMMA, MS, LCBR, and SSBR, thereby improving the profitability and risk resistance of upstream and downstream enterprises in the Daya Bay petrochemical park [1] - The initiative is expected to transform the resource utilization status of bulk general products in the park, establishing it as the world's largest polystyrene manufacturing base and a comprehensive optical-grade polymer new materials manufacturing base [1]

近日国内MMA市场价格稳中走软，交投气氛偏淡。月初工厂现货库存压力不大，但下游用户多消化合 约为主，现货采买意向不足，市场对后市缺乏信心，部分贸易商让价促进成交。截至12月2日华东一级 市场收盘均价9250元/吨，环比上月底下跌100元/吨，跌幅1.07%。当前行业开工负荷稳定，供应面相对 充足对价格较难支撑，叠加下游新订单跟进缓慢，供强需弱局面下，预计国内MMA市场窄幅偏弱运 行。 本文源自：卓创资讯 ...

Report Industry Investment Rating No relevant content provided. Core Views The report provides daily observations on the plastic L and PP markets, including market conditions, important news, logical analyses, and trading strategies. Market conditions show fluctuations in contract prices and spot market prices for both L and PP. Important news covers various corporate developments, such as production expansions, acquisitions, and strategic partnerships. Logical analyses consider multiple factors like domestic and international economic indicators, production and inventory data, and their impacts on the polyolefin market. Trading strategies include suggestions on holding, buying, or selling L and PP contracts, as well as options for arbitrage and options trading [1][2][5]. Summaries by Related Catalogs Market Conditions - **L Plastic**: Contract prices fluctuated, with some days showing increases and others decreases. LLDPE market prices also varied, with fluctuations in different regions and ranges from 10 - 110 yuan/ton. Market sentiment was often affected by factors such as futures trends, factory price adjustments, and downstream demand. For example, on 25 - 12 - 03, L2601 contract closed at 6817 points, down 14 points or - 0.20%, and LLDPE market prices partially declined [1]. - **PP Polypropylene**: Contract prices also had ups and downs. PP market prices showed narrow - range fluctuations, with some days having slight increases or decreases. The market was influenced by factors like futures performance, factory price changes, and downstream procurement behavior. For instance, on 25 - 12 - 03, PP2601 contract closed at 6398 points, down 12 points or - 0.19%, and the domestic PP market prices had a narrow - range fluctuation [1]. Important News - **Corporate Developments**: Many companies announced significant events, such as齐翔腾达's plan to extend its industrial chain in the MMA and PMMA fields,科思创's acquisition by XRG, and万华绿能's establishment in the energy sector. These events could potentially impact the supply and demand of related products in the market [1][21][40]. - **Industry - wide Information**: Information about the global and domestic chemical industries was also reported, including the performance of the基础化工板块, the development of the global特种建筑化学品 market, and the status of China's chemical industry in terms of production and technology [37][18][60]. Logical Analysis - **Economic Indicators**: Various economic indicators were considered, such as domestic automobile sales, manufacturing PMI, global stock market value, and currency - related indices. These indicators had different impacts on the polyolefin market, either positive or negative. For example, a decline in domestic automobile sales index was negative for polyolefin prices [2]. - **Production and Inventory Data**: Data on PE and PP production capacity utilization, registered warehouse receipts, and inventory levels were analyzed. Increases or decreases in production capacity utilization and inventory changes could affect market supply and demand relationships. For instance, an increase in PE production capacity utilization might lead to an increase in supply [10]. Trading Strategies - **Single - side Trading**: Suggestions included holding long or short positions in L and PP contracts, with specific stop - loss points recommended. For example, on some days, it was recommended to hold long positions in L主力 01 contract and set stop - loss at a certain point [2]. - **Arbitrage**: There were also suggestions for arbitrage trading, such as holding positions in specific contract combinations and setting stop - loss levels [2]. - **Options Trading**: In most cases, the report recommended a wait - and - see approach for options trading [2].