核心观点： 2026年2月底，美国与以色列对伊朗发起军事打击，伊朗随即封锁霍尔木兹海峡并袭击美军基地，引发全球能源及化工市场剧烈震荡，油价从 70.75美元/桶上升至91.98美元/桶，涨幅达30%。由于担忧后续原料供应，亚洲炼厂陆续降负。在化工方面，霍尔木兹海峡承担着全球35%的尿素、33%的 合成氨、45%的硫磺运输量，如果中东局势不确定性持续，全球肥料供需市场的平衡可能受到较大影响。价差方面，冲突爆发后，煤制乙烯、丙烯酸、顺 酐、净化磷酸、MMA、煤制丙烯等价差扩大较多，环氧乙烷、聚乙烯、聚丙烯、乙烯制乙二醇价差缩小较多。 中东局势持续发酵，国际油价持续上升。 2026年2月底，美国与以色列对伊朗发起军事打击，伊朗随即封锁霍尔木兹海峡并袭击美军基地，引发全球能源及 化工市场剧烈震荡，原油等以及下游化工品价格大幅上涨。2月26号到3月12号，布伦特原油收盘价从70.75美元/桶上升至91.98美元/桶，涨幅达30%。 担忧后续原料供应，亚洲炼厂陆续降负。 受中东局势影响，霍尔木兹海峡封锁导致炼厂对后期原料供应担忧增强，亚洲多家大型炼化一体化企业因担忧原料 供应紧张，正在或计划调低常减压装置负荷亚洲炼厂炼化 ...

Investment Rating - The report provides a positive outlook for the oil refining industry, indicating a protective reduction in refinery loads that is driving up the price differentials of energy and chemical products [1]. Core Insights - The price differential for key domestic refining projects reached 2895.92 CNY/ton, with a week-on-week increase of 407.03 CNY/ton (+16.35%), while the international price differential was 2945.64 CNY/ton, up 1144.84 CNY/ton (+63.57%) as of March 13, 2026 [2][3]. - Brent crude oil averaged 97.18 USD/barrel for the week, reflecting a week-on-week increase of 18.49% [2]. - Geopolitical tensions in the Middle East have led to significant fluctuations in oil prices, with Brent and WTI prices reaching 103.14 USD/barrel and 98.71 USD/barrel respectively, marking increases of 10.45 USD and 7.81 USD from the previous week [15]. - The chemical sector is experiencing price increases due to high international oil prices and preventive load reductions at refineries, which have improved price differentials for chemical products [2][15]. Summary by Sections Refining Sector - The report highlights that geopolitical tensions have impacted oil production and exports from countries like Saudi Arabia and the UAE, leading to increased market concerns about supply disruptions [2][15]. - Domestic and international refined oil prices have risen significantly, with domestic diesel, gasoline, and aviation kerosene averaging 7780.29 CNY (+934.57), 9317.43 CNY (+1147.71), and 6642.31 CNY (+1195.86) per ton respectively [15]. Chemical Sector - The report notes that the prices of polyethylene (LDPE, LLDPE, HDPE) have increased, with average prices of 12350.00 CNY (+2257.14), 8066.57 CNY (+965.43), and 7600.00 CNY (no change) per ton respectively [55]. - EVA prices have risen due to tightening supply, with an average price of 11200.00 CNY (+771.43) per ton [55]. - The price of pure benzene has also increased significantly, with an average price of 8628.57 CNY (+1935.71) per ton, reflecting improved price differentials [55].

Investment Rating - The report assigns a "Buy" rating for Dongfang Shenghong (000301) for the first time [1]. Core Views - The report highlights that the cyclical turning point has arrived, and Dongfang Shenghong, as a leader in refining and new materials, is poised for growth. The company is expected to benefit from the recovery in the refining product market and the completion of its capital expenditures [8][10]. Summary by Relevant Sections Company Overview - Dongfang Shenghong is a global leader in large-scale refining, with a capacity of 16 million tons per year. The company has developed a comprehensive industrial structure that includes refining, new energy materials, and polyester fibers, leveraging a unique multi-feedstock approach for olefin production [8][15]. Industry Dynamics - The refining industry is undergoing a transformation, with a focus on reducing oil dependency and increasing chemical production. The report notes that the domestic refining sector is expected to consolidate, with larger integrated projects becoming the norm, which will benefit Dongfang Shenghong [33][40]. Financial Performance - The report forecasts that Dongfang Shenghong's revenue will be 126.2 billion yuan in 2025, with a year-on-year decline of 8%, followed by a recovery to 138.5 billion yuan in 2026 and 142.0 billion yuan in 2027. The net profit is expected to turn positive in 2025, reaching 1.4 billion yuan, with significant growth projected in subsequent years [1][72]. Product Segments - The refining segment is expected to maintain a gross margin above 20%, driven by the company's large-scale and efficient refining operations. The polyester segment, with a capacity of 3.6 million tons per year, is also projected to benefit from industry-wide production cuts aimed at stabilizing prices [36][71]. Capital Expenditure and Growth Prospects - The company is nearing the end of its capital expenditure phase, with most of its facilities already operational. This is expected to lead to improved operational efficiency and profitability as market conditions stabilize [8][10]. Competitive Advantages - Dongfang Shenghong's integrated supply chain and diverse feedstock sources provide it with a competitive edge in cost control and risk management. The company is also focusing on expanding its new materials product lines, which are expected to contribute significantly to future revenue [28][65].

Core Viewpoint - The company Qixiang Tengda has successfully entered the electronic cleaning agent market with its main product, acetone and butanone, and is expanding its product applications into high-end fields such as semiconductor cleaning [1] Group 1: Product Development - The newly launched products, including anhydrous tert-butanol, isopropanol, and hydrogen peroxide, have been purified for applications in semiconductor cleaning and other high-end sectors [1] - The company is actively exploring the extension of phthalic anhydride downstream into new environmentally friendly board materials and the industrialization of MMA into optical-grade PMMA [1]

Group 1: Company Infrastructure and Operations - The company has a comprehensive public auxiliary facility system, including dual-loop power supply, steam pipeline network, nitrogen and compressed air systems, wastewater treatment, and hazardous waste disposal, which enhances operational stability and reduces costs [1] - The company’s carbon three industrial chain starts with propylene and extends upstream to propane dehydrogenation (PDH) and downstream to products like epoxy propylene and acrylic acid, improving supply chain resilience [2] Group 2: Product Development and Market Adaptation - The carbon four industrial chain is segmented into four pathways: butene, isobutylene, butane, and isobutane, allowing for dynamic adjustments based on market demand and maximizing value from raw materials to end products [2] - The company is enhancing existing product quality to penetrate high-end application scenarios, with key products like acetone entering the electronic cleaning agent market and new products like anhydrous tert-butanol and isopropanol being used in semiconductor cleaning [2] Group 3: Strategic Expansion and Future Directions - The company is actively exploring extensions into new fields such as environmentally friendly board materials and the industrialization of MMA into optical-grade PMMA, aiming for a transition from basic chemical raw materials to functional, high-purity, and customized materials [2]

【炼油板块】周前期，特朗普计划同伊朗对话，重启核谈判，地缘风险降温，叠加哈萨克斯坦油田及美 国原油产量逐渐恢复，供应压力回升，国际油价大幅下跌。周中期，美国击落一架伊朗无人机，伊朗武 装快艇逼近悬挂美国国旗的油轮，有媒体报道称原定的美伊谈判取消，地缘风险溢价迅速回归，叠加美 印达成贸易协议，有望提振需求，国际油价宽幅反弹。周后期，美国与伊朗同意周五举行核谈判，缓解 了市场对伊朗供应中断的担忧，地缘风险溢价回落，油价有所回落。2026年2月6日布伦特、WTI原油价 格分别为68.05、63.55美元/桶，较2026年1月30日分别-2.64、-1.66美元/桶。成品油方面，本周国内外成 品油价格价差偏震荡运行。 【化工板块】本周成本端支撑有限，化工品价格偏震荡运行，部分产品短期供给影响，价格有所上行。 聚烯烃方面，本周聚烯烃价格价差小幅震荡。EVA价格偏稳运行，价差小幅改善。纯苯产品价格价差小 幅上涨。苯乙烯华东码头本周期内到货有限，产品价格价差继续上涨。丙烯腈场内装置降负与检修情况 延续，局部供应偏紧，产品价格价差继续上行。聚碳酸酯产品价格稳中有涨。MMA产品价格偏稳运 行，价差小幅改善。 【聚酯锦纶板块】聚 ...

【炼油板块】周前期，特朗普计划同伊朗对话，重启核谈判，地缘风险降温，叠加哈萨克斯坦油田及美 国原油产量逐渐恢复，供应压力回升，国际油价大幅下跌。周中期，美国击落一架伊朗无人机，伊朗武 装快艇逼近悬挂美国国旗的油轮，有媒体报道称原定的美伊谈判取消，地缘风险溢价迅速回归，叠加美 印达成贸易协议，有望提振需求，国际油价宽幅反弹。周后期，美国与伊朗同意周五举行核谈判，缓解 了市场对伊朗供应中断的担忧，地缘风险溢价回落，油价有所回落。2026年2月6日布伦特、WTI原油价 格分别为68.05、63.55美元/桶，较2026年1月30日分别-2.64、-1.66美元/桶。成品油方面，本周国内外成 品油价格价差偏震荡运行。 【化工板块】本周成本端支撑有限，化工品价格偏震荡运行，部分产品短期供给影响，价格有所上行。 聚烯烃方面，本周聚烯烃价格价差小幅震荡。EVA价格偏稳运行，价差小幅改善。纯苯产品价格价差小 幅上涨。苯乙烯华东码头本周期内到货有限，产品价格价差继续上涨。丙烯腈场内装置降负与检修情况 延续，局部供应偏紧，产品价格价差继续上行。聚碳酸酯产品价格稳中有涨。MMA产品价格偏稳运 行，价差小幅改善。 【聚酯&锦纶板块】 ...

Investment Rating - The report does not explicitly state an investment rating for the petrochemical industry, but it provides insights into price trends and market dynamics that could influence investment decisions. Core Insights - The report highlights a cooling in the aromatics market and a downward shift in the price focus of the polyester industry chain [1] - Brent crude oil's weekly average price was $67.33 per barrel, reflecting a decrease of 0.60% [2] - Domestic and international refining project price differentials have shown slight increases, with domestic projects at ¥2515.90 per ton (+0.37%) and international projects at ¥1104.12 per ton (+0.63%) [3] Refining Sector Summary - The report discusses geopolitical factors affecting oil prices, including U.S.-Iran relations and supply recovery from Kazakhstan and the U.S. [2] - Brent and WTI crude prices as of February 6, 2026, were $68.05 and $63.55 per barrel, respectively, showing declines from the previous week [15] - Domestic refined oil prices showed slight fluctuations, with diesel, gasoline, and aviation kerosene averaging ¥6270.57, ¥7588.29, and ¥5140.28 per ton, respectively [15] Chemical Sector Summary - The chemical sector experienced limited support from cost factors, leading to fluctuating prices for various chemical products [2] - Polyethylene prices showed slight fluctuations, with LDPE, LLDPE, and HDPE averaging ¥9300.00, ¥6885.29, and ¥7600.00 per ton, respectively [54] - The report notes that the price of pure benzene increased slightly, with an average of ¥6150.00 per ton, reflecting a price differential of ¥2727.98 per ton [54] Polyester & Nylon Sector Summary - The polyester industry chain saw a price decline, with upstream costs weakening significantly [2] - The report indicates that the market for polyester filament yarn is experiencing a notable decrease in operating rates, leading to reduced demand [2] - Nylon filament prices have seen slight increases, but the price differential remains narrow [2] Market Performance of Major Refining Companies - The report provides stock performance data for six major refining companies, with notable weekly changes including Hengli Petrochemical (-5.29%) and Hengyi Petrochemical (+3.28%) [2] - Over the past month, stock performance varied significantly, with Rongsheng Petrochemical showing a +25.06% increase [2]

Market Overview - The three major indices in A-shares experienced slight declines, with the Shanghai Composite Index down 0.25% to 4065 points, the Shenzhen Component down 0.33%, and the ChiNext down 0.73% [2] - The total market turnover was 2.16 trillion yuan, a decrease of 308 billion yuan from the previous trading day, with over 2700 stocks rising [2] Sector Performance - The oil and gas, chemical, and mining sectors showed strong performance, with multiple stocks such as Tongyuan Petroleum and Junyou Co. hitting the daily limit [4] - The chemical sector saw an overall increase of 1.45%, with core sub-industries like basic chemicals and diversified chemicals leading the gains [16] - The basic chemical sector had a net inflow of over 156.73 billion yuan, while the power equipment sector saw a net inflow exceeding 203.54 billion yuan [6] Fund Flow Analysis - Main funds shifted away from defense, media, and food and beverage sectors, moving towards power equipment and basic chemicals [5] - The chemical industry ETF saw significant inflows, with a total of 14.49 billion yuan in net inflows over the past 15 days, indicating strong market confidence in the sector [20] Stock Highlights - Hunan Gold and Data Port were among the top gainers, with net inflows of nearly 29 billion yuan and over 20 billion yuan, respectively [10] - Stocks like Hunan Rihua and Zhejiang Wenlian saw significant outflows, with declines of 7.63% and 9.79% [10] Market Sentiment - The market is currently in a "trial period," with a high number of first-day limit-up stocks but lacking a unified logic, indicating rapid rotation of funds [14] - The strong performance of the chemical sector is attributed to a combination of rising product prices, supply-side contraction, and demand from emerging sectors, suggesting a fundamental recovery rather than mere speculation [17]

Investment Rating - The report does not explicitly state an investment rating for the oil refining industry Core Insights - The cost support for the chemical products and polyester industry chain is strong, leading to price increases [2] - Domestic key refining project price difference is 2537.18 CNY/ton, with a week-on-week increase of 18.62 CNY/ton (+0.74%) as of January 30, 2026 [3] - International oil prices have shown a significant increase, with Brent and WTI prices at 70.69 and 65.21 USD/barrel respectively, reflecting increases of 4.81 and 4.14 USD/barrel [2] Summary by Sections Refining Sector - The geopolitical situation involving the US, Russia, and Ukraine has influenced oil prices, with a notable increase in geopolitical risk premiums due to US military actions in the Middle East [2] - Domestic refined oil prices have shown slight fluctuations, with diesel, gasoline, and aviation kerosene averaging 6265.14, 7535.14, and 5183.14 CNY/ton respectively [2] - The price difference between domestic refined oil and crude oil has decreased, indicating a potential impact on profitability [2] Chemical Sector - The chemical products sector is experiencing strong cost support, with price differences for pure benzene and styrene continuing to rise due to robust cost support and expected maintenance in overseas markets [2] - The polyester industry chain has seen comprehensive price increases, driven by enhanced cost support and market sentiment [2] - The market for nylon has seen price adjustments, although the price difference has slightly narrowed [2] Market Performance of Major Refining Companies - The stock price performance of six major private refining companies shows varied results, with Rongsheng Petrochemical increasing by 7.51% and Dongfang Shenghong by 16.48% over the past week [2] - Over the past month, Rongsheng Petrochemical has increased by 31.81%, indicating strong market performance [2]