东吴证券近日发布大炼化周报：国内重点大炼化项目本周价差为2674元/吨，环比+104元/吨（环比 +4%）；国外重点大炼化项目本周价差为1305元/吨，环比-24元/吨（环比-2%）。本周PX均价为838.6美 元/吨，环比+1.7美元/吨，较原油价差为400.0美元/吨，环比+15.7美元/吨，PX开工率为89.2%，环比 +0.0pct。 以下为研究报告摘要： 【相关上市公司】民营大炼化&涤纶长丝：恒力石化、荣盛石化、恒逸石化、桐昆股份、新凤鸣。 投资要点 【风险提示】1）项目实施进度不及预期；2）宏观经济增速下滑，导致需求复苏弱于预期；3）地缘风 险演化导致原材料价格波动；4）行业产能发生重大变化；5）统计口径及计算误差。（东吴证券 陈淑 娴,周少玟） 【国内外重点炼化项目价差跟踪】国内重点大炼化项目本周价差为2674元/吨，环比+104元/吨（环比 +4%）；国外重点大炼化项目本周价差为1305元/吨，环比-24元/吨（环比-2%）。 【聚酯板块】本周POY/FDY/DTY行业均价分别为6293/6536/7686元/吨，环比分别-111/-125/-61元/吨， POY/FDY/DTY行业周均利润为 ...

证券研究报告 大炼化周报：成本端支撑减弱，长丝价格下滑 大化工首席分析师：陈淑娴，CFA 执业证书编号：S0600523020004 联系方式：chensx@dwzq.com.cn 石化化工分析师：周少玟 执业证书编号：S0600525070005 联系方式：zhoushm@dwzq.com.cn 2025年12月21日 请务必阅读正文之后的免责声明部分 投资要点 2 ◼ 【国内外重点炼化项目价差跟踪】国内重点大炼化项目本周价差为2674元/吨，环比+104元/吨（环比+4%）；国 外重点大炼化项目本周价差为1305元/吨，环比-24元/吨（环比-2%）。 ◼ 【聚酯板块】本周POY/FDY/DTY行业均价分别为6293/6536/7686元/吨，环比分别-111/-125/-61元/吨， POY/FDY/DTY行业周均利润为-58/-163/+3元/吨，环比分别-75/-85/-42元/吨，POY/FDY/DTY行业库存为 19.0/24.3/24.9天，环比分别+2.3/+2.1/+1.0天，长丝开工率为89.1%，环比-0.7pct。 ◼ 【炼油板块】国内成品油:本周汽油/柴油/航煤价格下跌。美国成品油 ...

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：冬季下游备货需求步入尾声， 涤纶长丝小幅累库 [Table_ReportDate0] 2025 年 12 月 20 日 本期内容提要： [Table_Author] ➢ 国内外重点炼化项目价差跟踪： [Table_Summary] [Table_Summary] 截至 12 月 19 日当周，国内重点大 炼化项目价差为 2540.74 元/吨，环比变化+7.17 元/吨（+0.28%）； 国外重点大炼化项目价差为 1303.62 元/吨，环比变化-27.50 元/吨（- 2. ...

本周行情综述 风险提示 地缘政治扰动超预期；海外经济出现衰退；行业及国际政策环境变化。 敬请参阅最后一页特别声明 1 原油：本周油价维持震荡。俄乌谈判进展顺利施压油价，柏林谈判美乌在多个关键议题上形成初步共识，美方表 示乌俄之间约 90%的问题已解决，准备前往俄罗斯继续推动谈判。同时欧盟理事会对俄罗斯"影子舰队"实施制 裁。而委内瑞拉局势反复，其原油的折扣幅度已扩大至较布油低 21 美元，而上周折价 14 至 15 美元。周中市场 预期特朗普或下令对委内瑞拉宣战，但 18 号特朗普在国情咨文演讲中未提到委内瑞拉，随后表示仍不排除与委 内瑞拉开战的可能性。总体看，俄乌和谈推进而美委局势紧张，地缘博弈持续。截止 12 月 18 日，WTI 现货收于 56.15 美元，环比-1.45 美元；BRENT 现货收于 61.43 美元，环比-0.95 美元。EIA12 月 12 日当周商业原油库存 环比-127.4 万桶，前值-181.2 万桶。其中库欣原油环比-74.2 万桶，前值+30.8 万桶。汽油库存环比+480.8 万 桶，前值+639.7 万桶。炼厂开工率环比+0.3%至 94.8%。美国原油库存下降，净进口 ...

消息面上，碳酸锂继续大涨，12月17日，广期所碳酸锂期货大幅上涨，主力合约盘中逼近11万元/吨。行情数据显示，12月17日，国内碳酸锂 2605主力合约盘中一度上涨8.84%，最高报价达10.986万元/吨，创2024年5月10日以来新高，收盘涨幅7.61%，报10.862万元/吨。今年下半年， 碳酸锂期货价格明显上涨，最新价较年内低点已累计上涨84.1%。 东莞证券表示，看好锂电池产业链周期复苏。动力电池方面，海外新兴市场增长迅猛，有望继续拉动出口保持增长韧性。预计2026年全球新能 源汽车销量增速约达17%，全球动力电池需求同比增长约20%。储能电池方面，2026年全球储能市场将延续高速增长，储能电池需求增速预计 达50%左右，储能电芯供需紧张格局可能将持续至2026年年中。 化工板块今日（12月18日）继续猛攻！反映化工板块整体走势的化工ETF（516020）开盘后震荡上行，截至发稿，场内价格涨1.12%。 成份股方面，氨纶、石化、煤化工等板块部分个股涨幅居前。截至发稿，华峰化学飙涨超6%，鲁西化工大涨超4%，荣盛石化、扬农化工、博 源化工等多股跟涨超3%。 | | | 多日 1分 5分 15分 30分 ...

证券之星消息，12月17日炼化及贸易板块较上一交易日上涨0.02%，桐昆股份领涨。当日上证指数报收 于3870.28，上涨1.19%。深证成指报收于13224.51，上涨2.4%。炼化及贸易板块个股涨跌见下表： 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 从资金流向上来看，当日炼化及贸易板块主力资金净流出5403.85万元，游资资金净流出1.25亿元，散户 资金净流入1.79亿元。炼化及贸易板块个股资金流向见下表： ...

今日各行业表现（截至下午13:49） | 申万行业 | 行业涨跌（%） | 成交额（亿元） | 比上日（%） | 领涨（跌）股 | 涨跌幅（%） | | --- | --- | --- | --- | --- | --- | | 通信 | 3.03 | 1092.14 | -15.68 | 联特科技 | 20.00 | | 电子 | 1.25 | 2035.94 | -6.24 | N沐曦-U | 673.99 | | 基础化工 | 1.17 | 572.35 | -13.68 | 东方铁塔 | 10.03 | | 传媒 | 0.88 | 277.23 | -9.49 | 巨人网络 | 5.87 | | 电力设备 | 0.77 | 1254.25 | -10.02 | 骄成超声 | 14.81 | | 石油石化 | 0.73 | 52.03 | 3.86 | 桐昆股份 | 4.19 | | 家用电器 | 0.47 | 167.52 | -23.45 | 立达信 | 10.00 | | 机械设备 | 0.47 | 943.53 | -7.68 | 荣亿精密 | 18.01 | | 医药生物 | 0.35 | 5 ...

Investment Strategy Overview - The report emphasizes two main investment themes for the chemical industry: anti-involution policies and domestic substitution, which are expected to drive recovery and growth in the sector [4][5][6] Anti-Involution and Cycle Recovery - The report suggests that the chemical industry is at a turning point, with anti-involution measures leading to a recovery in the cycle. Key areas include the peak of new capacity in organic silicon, the end of PTA capacity expansion, and a rebound in prices for certain chemicals due to supply chain disruptions [4][5] - The China Chemical Product Price Index (CCPI) has decreased significantly, dropping to 3865 points by November 30, 2025, down 16.37% from early 2024 and 10.71% from the beginning of 2025 [4][20] Domestic Substitution as a Growth Driver - Domestic substitution is highlighted as a key growth driver, with significant support from national policies for bio-based materials and advancements in technology leading to a more robust domestic supply chain [4][6] - The report identifies several companies positioned to benefit from these trends, including KaiSai Bio and RuiFeng New Materials, which are making strides in bio-based materials and lubricant additives, respectively [5][6] Market Dynamics and Price Recovery - The report notes that while the chemical market is experiencing a downturn, certain segments are expected to see price recovery due to improved supply-demand dynamics and reduced capacity expansion [4][22] - Specific chemical products have shown varied price movements, with some experiencing significant declines while others are stabilizing or recovering [22] Manufacturing Sector Recovery - The manufacturing sector is showing signs of recovery, which is anticipated to support the chemical industry. The report mentions that the real estate market is stabilizing, and automotive production has increased, indicating a potential uptick in demand for chemical products [25][33] Capital Expenditure Trends - Capital expenditure growth in the chemical industry is slowing, with a notable decline in new projects. The report indicates that the total construction in progress for the chemical sector was 327.57 billion yuan in Q3 2025, down 17.64% year-on-year [34][39] Inventory and Consumption Trends - High inventory levels in the chemical sector are being addressed as consumer demand begins to recover. The report suggests that the inventory-to-revenue ratio for the basic chemical industry was 0.62 in Q3 2025, indicating a slight increase from the previous year [41][42] Profitability and Financial Performance - The report highlights a recovery in profitability for the chemical industry, with gross margins and return on equity (ROE) showing improvement in Q3 2025 compared to previous periods [56][60] - Specific sub-sectors, such as agrochemicals and fluorochemicals, have demonstrated significant profit growth, with some exceeding 100% year-on-year increases [55][56]

Investment Rating - The report maintains a positive outlook on the petrochemical industry, indicating a favorable investment environment [2]. Core Insights - Three major institutions have raised their oil demand forecasts, with the EIA predicting a global crude oil surplus of 2.24 million barrels per day for the current year [4][17]. - The EIA has kept its 2025-2026 crude oil price forecasts unchanged at $69 and $55 per barrel, respectively, while raising its natural gas price forecasts for the same years [5][11]. - The report highlights a tightening supply-demand balance in the downstream polyester sector, with expectations of improved market conditions [19]. Summary by Sections Demand Forecasts - IEA expects global oil demand to increase by 830,000 barrels per day in 2025 and 860,000 barrels per day in 2026, driven by positive macroeconomic and trade outlooks [11][12]. - OPEC forecasts a demand growth of 1.3 million barrels per day in 2025 and 1.4 million barrels per day in 2026 [12][58]. - EIA anticipates a rise in global oil and other liquid fuel consumption by 1.14 million barrels per day in 2025 and 1.23 million barrels per day in 2026 [12][17]. Supply Forecasts - EIA has raised its global oil supply forecast for the current year by 200,000 barrels per day, while IEA has lowered its forecast by 100,000 barrels per day [14][17]. - EIA projects a global oil production increase of 3.01 million barrels per day in 2025 and 1.25 million barrels per day in 2026 [15][17]. - OPEC anticipates a growth in non-OPEC oil supply of 1 million barrels per day in 2025, primarily from the U.S., Brazil, Canada, and Argentina [58]. Upstream Sector - Brent crude oil prices have decreased, with the latest closing price at $61.12 per barrel, reflecting a 4.13% week-on-week decline [27]. - The report notes a slight increase in U.S. oil rig counts, with 548 rigs reported as of December 12, 2025 [40]. Downstream Sector - The report indicates an improvement in refining margins, with the Singapore refining margin rising to $19.82 per barrel [4]. - Polyester sector profitability is mixed, with PTA prices declining while polyester filament prices are on the rise [19]. Investment Recommendations - The report recommends high-quality companies in the polyester sector, such as Tongkun Co. and Wankai New Materials, as well as major refining companies like Hengli Petrochemical and Rongsheng Petrochemical [19][22]. - It also suggests focusing on high-dividend yield companies like China Petroleum and China National Offshore Oil Corporation [22].

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]