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：局部地区春季订单开始释放，长丝盈利仍在改善 [Table_ReportDate0] 2025 年 11 月 23 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 11 月 21 日当周，国内重点大 炼化项目价差为 2389.69 元/吨，环比变化+52.43 元/吨（+2.24%）； 国外重点大炼化项目价差为 1446.16 元/吨，环比变化+6.66 元/吨 （+0.4 ...

Core Viewpoint - Shandong Province has announced the list of leading enterprises in the new materials sector for 2025, with Nanshan Aluminum and Nanshan Zhishang being recognized for their technological advancements and industry leadership in new materials [1][12]. Group 1: Company Achievements - Nanshan Aluminum has been included in the Shandong Province's new materials leading enterprise cultivation list and has retained its position in the "Top 50 Leading New Materials Enterprises" [1]. - The company focuses on high-quality aluminum alloy new materials, including automotive sheets, aerospace plates, and battery foil, and is a key supplier for major manufacturers like COMAC, Airbus, and Boeing [2]. - Nanshan Zhishang has made significant strides in new materials, particularly in ultra-high molecular weight polyethylene fibers and nylon fibers, achieving large-scale production and international performance standards [4]. Group 2: Industry Context - The new materials industry is recognized globally as a crucial and rapidly developing high-tech sector, essential for gaining competitive advantages and is a key focus area for Shandong Province [1]. - The cultivation list aims to support enterprises in increasing R&D investment, promoting technological innovation, and expanding industrial scale, thereby enhancing the core competitiveness of Shandong's new materials industry [12]. Group 3: Future Directions - Both Nanshan Aluminum and Nanshan Zhishang plan to leverage provincial resources to deepen collaborative innovation in production, education, and research, aiming to solidify their technological leadership and contribute to the development of a strong manufacturing province [11].

Core Insights - The report highlights the price differentials of key refining projects in both domestic and international markets, indicating a slight increase in domestic price differentials and a more significant increase in international price differentials [1][2] - Brent crude oil's average weekly price shows a slight decline, reflecting market volatility influenced by geopolitical factors and economic data [2] Refining Sector - As of November 7, 2025, the domestic key refining project price differential is 2327.79 CNY/ton, with a week-on-week increase of 18.00 CNY/ton (+0.78%); the international key refining project price differential is 1361.85 CNY/ton, with a week-on-week increase of 56.54 CNY/ton (+4.33%) [1][2] - Brent crude oil's average weekly price is 64.23 USD/barrel, with a week-on-week change of -1.45% [1][2] - The refining sector is experiencing mixed signals due to U.S.-China trade negotiations and OPEC+ production decisions, leading to fluctuations in international oil prices [2] Chemical Sector - The chemical sector shows overall weak supply and demand, with cost declines not resulting in significant price differential improvements [3] - Polyolefin prices are fluctuating, while pure benzene and styrene prices are slightly declining, leading to narrowed price differentials [3] - Polyester filament yarn market shows slight upward movement due to stable supply, but overall purchasing willingness remains low due to weak downstream demand [3] Stock Performance of Major Refining Companies - As of November 7, 2025, stock price changes for six major private refining companies include: Rongsheng Petrochemical (+5.99%), Hengli Petrochemical (+8.02%), Dongfang Shenghong (+2.71%), Hengyi Petrochemical (-0.73%), Tongkun Co. (+6.82%), and Xin Fengming (+6.17%) [4] - Over the past month, stock price changes include: Rongsheng Petrochemical (+11.92%), Hengli Petrochemical (+13.13%), Dongfang Shenghong (-0.53%), Hengyi Petrochemical (+3.20%), Tongkun Co. (+1.20%), and Xin Fengming (+3.88%) [4]

Group 1 - The Shanghai and Shenzhen Stock Exchanges have released evaluation results for information disclosure for the years 2024 to 2025, with Nanshan Group's subsidiaries, Nanshan Aluminum and Nanshan Zhishang, receiving the highest A-level (excellent) rating, while Hengtong Logistics received a B-level (good) rating, reflecting high recognition from regulatory authorities for the quality of information disclosure and governance levels [1] - Nanshan Zhishang has been awarded the highest A-level rating for two consecutive years due to its high-quality information disclosure, proactive investor relations maintenance, and excellent social responsibility performance [1] - Nanshan Aluminum has established a complete industrial chain centered on aluminum processing, forming a diversified and advanced product matrix, and has recently improved its ESG rating to "A" by MSCI, indicating international market recognition for its green development and social responsibility efforts [1] Group 2 - In 2025, Nanshan Aluminum has implemented a cash dividend distribution of 462 million yuan (including tax) and has proposed a special dividend plan for shareholder returns, with total dividends since its listing reaching 13.076 billion yuan, surpassing its cumulative financing scale in the capital market [2] - Nanshan Zhishang is consolidating its leading position in the high-end new materials sector through a dual-driven approach of "material innovation + application scenarios," with ultra-high molecular weight polyethylene fibers and nylon fibers becoming core engines for its high-quality development [2] - Hengtong Logistics' main businesses include ports, physical logistics, and clean energy (LNG), with its port business experiencing explosive growth due to the production opportunities from the Yulong Petrochemical Park, becoming the company's primary performance growth point [2] Group 3 - Nanshan Aluminum, Nanshan Zhishang, and Hengtong Logistics will continue to strictly implement securities regulatory requirements, enhance information disclosure quality, improve investor communication, and maintain investor rights, contributing to the healthy, sustainable, and high-quality development of the capital market [3]

Investment Rating - The industry investment rating is "Positive" as the industry index is expected to outperform the benchmark [150] Core Insights - The report highlights an improvement in demand for polyester filament yarn, leading to a continued reduction in inventory levels [2] - The Brent crude oil average price for the week ending October 31, 2025, was $65.18 per barrel, reflecting a week-on-week increase of 3.96% [2][3] - Domestic and international refining project price differentials were tracked, with domestic projects at 2337.32 CNY/ton, down 1.97%, and international projects at 1303.72 CNY/ton, up 6.53% [2][3] Refining Sector Summary - The market is questioning the effectiveness of sanctions against Russia, while OPEC+ is inclined to slightly increase production in December [2] - The EIA inventory data provided positive support, alleviating concerns over trade tensions [2] - As of October 31, 2025, the prices for Brent and WTI crude oil were $65.07 and $60.98 per barrel, respectively [2][14] Chemical Sector Summary - Chemical prices generally declined, with significant narrowing of price differentials [2] - Polyolefins showed stable price movements, while EVA continued to weaken with noticeable price drops [2] - Benzene prices faced downward pressure due to high invisible inventory levels, leading to slight price fluctuations [2] Polyester & Nylon Sector Summary - Demand for polyester filament yarn has rebounded, with inventory levels decreasing significantly [2] - The government has introduced policies to optimize the supply structure, improving medium to long-term supply-demand expectations [2] - The average prices for polyester filament yarn were reported as follows: POY at 6439.29 CNY/ton, FDY at 6675.00 CNY/ton, and DTY at 7725.00 CNY/ton [2][87] Major Refining Companies Performance - The stock price changes for six major refining companies as of October 31, 2025, were as follows: Rongsheng Petrochemical (+2.62%), Hengli Petrochemical (+6.40%), Dongfang Shenghong (-1.18%), Hengyi Petrochemical (-4.15%), Tongkun Co. (-0.49%), and Xin Fengming (+1.53%) [2][137]

Group 1: Collaboration and Product Development - The collaboration with Junsheng Electronics focuses on the development of key components for humanoid robots and the supply of high-performance new materials [1][2] - The company is currently producing fabric materials for robot heads, meeting various performance requirements such as tensile strength, temperature resistance, and aesthetics [2] Group 2: Future Applications of Data Gloves - Data gloves are expected to be used in three main scenarios: remote operation of industrial robots, skill learning for robots, and virtual assembly testing in VR environments [3] Group 3: Market Outlook for Tendon Solutions - The company has received small batch orders from leading domestic and international robot manufacturers for tendon products, which are applicable in various humanoid robot parts [4] - Future focus will be on key products like tendons, smart gloves, and PA66 coating materials, aiming for lightweight, functional, and scalable developments [4] Group 4: Nylon Project and Industry Trends - The nylon fiber market is expected to grow due to the increasing popularity of outdoor and sports apparel, with a focus on sustainable and high-end products [5] - The company aims to integrate technology innovation with sustainable development to enhance the value chain in the nylon industry [5] Group 5: AI Integration in Fashion Design - The company is incorporating AI design systems into its high-end fashion business to meet customized client needs and enhance product differentiation [6] Group 6: Growth Points in Nylon Business - Future growth in the nylon sector will focus on differentiated functional fibers and applications in new consumer markets and humanoid robot coverings [7] Group 7: Financial Performance - In the first three quarters of 2025, the revenue from ultra-high fibers increased by 11.56% year-on-year, with a gross profit increase of 175.24% and a net profit growth of 212% [8] - The company’s foreign trade revenue for ultra-high fibers surged by 256.16% compared to the same period in 2024 [9] Group 8: Employee Stock Ownership Plan - The employee stock ownership plan will not significantly alter the company's equity structure, with a maximum of 10% of the total share capital held by all employees [10] Group 9: Cash Flow and Investment - The decrease in operating cash flow is attributed to increased cash outflows for the 80,000-ton nylon filament project [11] Group 10: Dual-Drive Strategy - The company is implementing a dual-drive strategy of "traditional wool spinning + new materials" to enhance its product matrix and accelerate the development of new materials [12] Group 11: Core Advantages of Nylon Project - The 80,000-ton high-performance differentiated nylon filament project has a total investment of approximately 1.5 billion yuan, focusing on advanced production systems and market positioning [11] Group 12: New Application Areas for Ultra-High Business - The ultra-high business is expanding into new markets such as fishing lines, civilian textiles, and robot tendons, with a focus on high-performance product development [12] Group 13: Performance Standards for Tendon Materials - The lifespan of tendon materials is targeted to reach 100,000 cycles for household use and 1,000,000 cycles for industrial applications, with plans for further development [13]

Core Insights - Nanshan Zhishang reported a revenue of 1.226 billion yuan and a net profit of 117 million yuan for the first three quarters of 2025, showcasing strong financial performance driven by innovations in high-end new materials [1] Group 1: Financial Performance - The company achieved a revenue of 1.226 billion yuan and a net profit of 117 million yuan in the first three quarters of 2025 [1] - The gross profit of ultra-high molecular weight polyethylene fiber products increased by 175.24% year-on-year, with a gross margin growth of 15.54% [1] - Net profit from ultra-high molecular weight polyethylene fiber products grew by 212%, indicating its role as a core growth engine for the company [1] Group 2: Product Innovations - The company has developed a fabric tactile smart glove that integrates electronic skin technology with flexible fabric sensors, enabling humanoid robots to achieve near-human tactile perception [2] - The smart glove can accurately identify pressure, texture, and temperature changes, facilitating refined and intelligent actions for robots [2] - Nanshan Zhishang plans to collaborate with Changsheng Bearing and Yihaiyuan to develop high-strength, high-lifetime tendon ropes, aiming for a lifespan of up to ten million cycles [2] Group 3: Production Capacity - The company has established a 3,600-ton ultra-high molecular weight polyethylene fiber intelligent production line and an 80,000-ton high-performance differentiated nylon filament production line to meet future demands [2] - The nylon fiber products, particularly the 66 nylon with a density of 1.14-1.15 g/cm, are positioned to capitalize on the lightweight trend in robotics [2] Group 4: Talent Retention and Corporate Strategy - Nanshan Zhishang has introduced an employee stock ownership plan aimed at attracting and retaining professional talent, focusing on the core technology team in the robotics business [3] - The plan, approved at the second extraordinary shareholders' meeting in October 2025, aims to enhance the company's competitive edge in the new materials sector for humanoid robots [3] - This initiative reflects the company's commitment to advancing industrial upgrades and seizing future technological opportunities [3]

Group 1 - The core point of the article highlights the recent decline in the stock price of Nanshan Zhishang, which has dropped 4.71% to 20.22 CNY per share, with a total market capitalization of 10.234 billion CNY and a cumulative decline of 10.49% over the last three days [1] - Nanshan Zhishang, established on April 29, 2007, and listed on December 22, 2020, is primarily engaged in the production and sale of fabrics and clothing, with revenue composition including 46.70% from fine woolen fabrics, 29.83% from clothing, 12.04% from ultra-high fiber, 9.94% from nylon fiber, and 1.50% from other sources [1] Group 2 - From the perspective of major fund holdings, the Fuyong Fund has a significant position in Nanshan Zhishang, with the Fuyong Fuxin Mixed A Fund holding 127,800 shares, accounting for 5.53% of the fund's net value, making it the fourth-largest holding [2] - The Fuyong Fuxin Mixed A Fund has experienced a floating loss of approximately 127,800 CNY today, with a total floating loss of 30,290 CNY during the three-day decline [2] - The fund was established on March 16, 2018, with a current scale of 7.317 million CNY, and has achieved a year-to-date return of 13.51% and a one-year return of 30.42% [2]

Investment Rating - The investment rating for the basic chemical industry is "Positive" (maintained) [1] Core Views - The industry is experiencing a tightening supply-demand situation, particularly in the areas of glyphosate and nylon, which is expected to support an upward trend in industry prosperity [4][20] - The chemical industry index has underperformed the CSI 300 index by 2.02% this week, indicating a challenging market environment [15][17] Summary by Sections Industry Trends - The chemical industry index reported a decline of 0.95% this week, while the CSI 300 index increased by 1.07% [15] - The China Chemical Product Price Index (CCPI) decreased by 0.18%, indicating a slight contraction in chemical product prices [15][17] Key Products and Developments - Glyphosate: The average market price for 95% glyphosate raw powder is stable at 44,500 CNY/ton as of September 25, with a cautious pricing strategy from suppliers [21][22] - Nylon: The China Chemical Fiber Industry Association has initiated a high-quality development initiative to address issues of insufficient demand and rising inventory in the nylon sector [25][26] Recommendations and Beneficiaries - Recommended stocks include leading companies in the chemical sector such as Wanhua Chemical, Hualu Hengsheng, and Hengli Petrochemical [6] - Beneficiary stocks in the glyphosate sector include Lier Chemical and Yunnan Yuntianhua [22][28] Market Performance - In the past week, 33.58% of the 545 stocks in the chemical sector experienced price increases, while 63.49% saw declines [15] - The top ten products with price increases included liquid chlorine and paraquat, while vitamin E and sulfur saw the largest declines [16] Supply Chain Insights - The supply of glyphosate is stable, with domestic factories operating well, although some smaller factories remain offline [21] - The nylon industry is encouraged to limit production to prevent "involution" competition and to focus on product differentiation and green development [25][26] Export and Demand Trends - In August 2025, the export value of domestic clothing and accessories increased by 1.4% year-on-year, indicating potential growth in demand for chemical fibers [30] - The market for polyester filament has seen increased shipments ahead of the holiday season, with inventory days decreasing [31] Price Trends - The average price for polyester filament POY is 6,610 CNY/ton, showing a slight decrease from the previous week [31] - The price of urea has shown a downward trend, with an average market price of 1,651 CNY/ton as of September 25 [42]

Group 1 - The core viewpoint of the news is that Nanshan Zhishang's stock has experienced fluctuations, with a notable increase of 141.59% year-to-date, but a recent decline of 3.12% over the past five trading days [1] - As of September 10, 2023, Nanshan Zhishang's shareholder count decreased by 3.73% to 29,100, while the average circulating shares per person increased by 3.88% to 14,931 shares [2] - The company reported a revenue of 731 million yuan for the first half of 2025, reflecting a year-on-year decrease of 5.80%, and a net profit attributable to shareholders of 75.15 million yuan, down 8.66% year-on-year [2] Group 2 - Nanshan Zhishang has a total market capitalization of 12.426 billion yuan, with a trading volume of 618 million yuan and a turnover rate of 5.66% as of September 18, 2023 [1] - The company's main business revenue composition includes 46.70% from fine woolen fabrics, 29.83% from clothing, 12.04% from ultra-high fiber, 9.94% from nylon fiber, and 1.50% from other sources [1] - Since its A-share listing, Nanshan Zhishang has distributed a total of 250 million yuan in dividends, with 183 million yuan distributed in the last three years [3]