证券代码：002637 证券简称：赞宇科技 公告编号：2026-004 2、公司未发现近期公共传媒报道了可能或已经对本公司股票交易价格产生较大 影响的未公开重大信息。 3、经核查，本公司、控股股东、实际控制人不存在关于本公司的应披露而未披 露的重大事项，或处于筹划阶段的重大事项。 赞宇科技集团股份有限公司 关于股票交易异常波动公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假记 载、误导性陈述或重大遗漏。 一、股票交易异常波动情况介绍 赞宇科技集团股份有限公司（以下简称"本公司"）（证券简称：赞宇科技；证 券代码：002637）股票交易价格于2026年3月17日至2026年3月19日连续3个交易日内 日收盘价格跌幅偏离值累计超过20%，根据《深圳证券交易所交易规则》的有关规 定，属于股票交易异常波动的情况。 二、公司关注、核实情况 针对公司股票异常波动，根据相关规定的要求，公司进行了必要核实，现对有 关情况说明如下： 1、公司未发现前期披露的信息存在需要更正、补充之处。 自2026年3月19日（含）起6个月内增持公司股份，增持股份金额不低于人民币2,500 万元，不超过人民币5,000万 ...

证券代码：002637 证券简称：赞宇科技 公告编号：2026-003 赞宇科技集团股份有限公司 关于控股股东及一致行动人增持股份暨后续计划的公告 公司控股股东及其一致行动人保证向本公司提供的信息内容真实、准确、 完整，没有虚假记载、误导性陈述或重大遗漏。本公司及董事会全体成员保证 公告内容与信息披露义务人提供的信息一致。 特别提示： 公司控股股东河南正商企业发展集团有限责任公司（以下简称"正商发展"） 及一致行动人河南兴业房地产开发有限公司（以下简称"兴业房地产"）、杭州永 银投资合伙企业（有限合伙）（以下简称"永银投资"）计划自 2026 年 3 月 19 日（含）起 6 个月内通过深圳证券交易所集中竞价交易方式增持公司股份，增持 股份金额不低于人民币 2,500 万元，不超过人民币 5,000 万元。其中，兴业房地 产已于 2026 年 3 月 19 日通过深圳证券交易所交易系统以集中竞价交易方式增持 公司股份 55,000 股，占公司总股本 0.01%，增持股份金额 65.37 万元。 2026 年 3 月 19 日，赞宇科技集团股份有限公司（简称"公司"或"赞宇科 技"）收到正商发展及其一致行动人兴 ...

证券代码：002637 证券简称：赞宇科技 公告编号：2026-002 赞宇科技集团股份有限公司 关于公司董事、全体高级管理人员增持股份计划的公告 公司董事长张敬国先生、董事兼总经理邹欢金先生、董事李中军先生、董 事兼副总经理张勇先生、董事裘明先生、董事张建国先生、副总经理胡剑品先 生、副总经理马晗先生、副总经理黄建文先生、总工程师孙建明先生、财务总 监吴吉华先生、董事会秘书徐强先生保证向本公司提供的信息内容真实、准确、 完整，没有虚假记载、误导性陈述或重大遗漏。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 特别提示： 公司董事、全体高级管理人员拟通过深圳证券交易所允许的方式增持公司股 份，自增持计划披露之日起6个月内增持公司股份，增持总金额规模不低于人民 币1,250万元。 赞宇科技集团股份有限公司（以下简称"公司"）于2026年3月18日收到公司 董事、全体高级管理人员的通知，基于对行业及公司未来发展前景的信心和对公 司股票价值的合理判断，同时提升投资者信心，切实维护中小投资者利益和资本 市场稳定，上述人员拟自增持计划披露之日起6个月内增持公司股份，现将有关 情况公告如下： 一、计 ...

证券代码：002637 证券简称：赞宇科技 公告编号： 2026-001 赞宇科技集团股份有限公司 关于全资子公司收到印尼雅加达中区商事法院 裁定相关事项的公告 本公司及董事会全体人员保证公告内容真实、准确和完整，并对公告中的 虚假记载、误导性陈述或者重大遗漏承担责任。 特别提示： 1、2026年3月13日，杜库达收到印度尼西亚雅加达中区商事法院发送的《破 产裁定通知书》。该通知书宣告杜库达破产，并承担相应法律后果。杜库达已委 托律师就本次破产裁定向印度尼西亚最高法院提起上诉，请求撤销本次杜库达破 产判决及全部法律后果。 2、截至目前杜库达整体经营运行正常，未受到本次破产裁定实质性影响。 鉴于相关破产裁定上诉申请、PKPU程序撤销申请尚未开庭审理，本次破产裁定 仅为印尼地方法院审理结果，不代表印尼最高法院审理结果，最终的判决结果尚 不确定，最终实际影响需以印尼最高法院生效判决结果为准。公司将根据相关事 项进展情况及时履行信息披露义务，敬请投资者注意投资风险。 赞宇科技集团股份有限公司（以下简称："赞宇科技"或"公司"）全资子 公司PT Dua Kuda Indonesia（以下简称："杜库达"）于2026年3 ...

证 券 研 究 报 告 赞宇科技（002637）深度研究报告 推荐（首次） 棕榈油周期红利释放，盈利弹性与成长性凸显 （1）供给端：本轮涨价核心驱动因素为主产国树龄老化、印尼环保政策进一 步收紧、马来种植面积缩减与外劳短缺。 （2）需求端：印尼未来可能推行 B50 生物柴油掺混政策，若 B50 全部达成预 计策带来额外新增需求年化约 400 万吨左右。若棕榈油叠加气候异常等因素 导致产量波动时，国内消费将透支其库存，出口配额或会进一步收紧。 （3）生物柴油消费需求驱动未来油脂价格进一步上涨。美国生物质柴油掺混 目标提升将大幅拉动植物油需求。2026 年美国生物质柴油掺混提案：生物质 柴油（D4）掺混量拟达 56.1 亿加仑（比 2025 年的 33.5 亿加仑增长 67%），这 将大幅拉动植物油需求。 （4）政策端：印尼 2026 年 3 月将棕榈油出口 Levy 由 10%提升至 12.5%，抬 高全球棕榈油价格中枢。 油脂化工业务：乘棕榈油行业东风，享基地产能红利。杜库达作为赞宇科技在 印尼设立的油脂化工生产基地，拥有原材料主产国保税区区位优势，其核心业 务为在当地对毛棕榈油采购后进行深加工、将加工后的化 ...

Investment Rating - The industry investment rating is "Outperform the Market" (maintained) [1] Core Viewpoints - The rapid increase in crude oil prices is enhancing the economic viability of biofuels, which is expected to sustain demand growth [3][4] - Prices of palm oil, soybean oil, and rapeseed oil are highly correlated with crude oil prices, indicating a direct relationship [3][4] - High oil prices are likely to accelerate the implementation of biofuel policies across various countries, boosting long-term demand for biofuels [15] - Indonesia's palm oil and oil chemical industry benefits from increased export taxes, favoring local palm oil chemical companies [16] Summary by Relevant Sections Industry Overview - Biofuels, produced from biomass, are being promoted globally to replace fossil fuels, driven by energy security, carbon neutrality, and environmental concerns [4] - The price gap between biodiesel and diesel has narrowed significantly due to rising crude oil prices, enhancing the attractiveness of biofuels [4] Price Trends - From February 28 to March 9, 2023, Brent crude oil prices increased by 36.5%, while palm oil, soybean oil, and rapeseed oil prices rose by 9.5%, 6.0%, and 8.1%, respectively [8][9] Policy Developments - Countries like the EU, the US, and Indonesia are implementing biofuel blending mandates, with the EU requiring a minimum of 2% sustainable aviation fuel (SAF) by 2025 [15][18] - Indonesia plans to increase the blending ratio of biodiesel to 40% by 2025, indicating a strong commitment to biofuel development [18] Investment Recommendations - Companies such as Zhuoyue New Energy and Zanyu Technology are highlighted as key players in the biofuel sector, with strong growth potential due to favorable market conditions and government policies [19][20] - Zhuoyue New Energy is positioned as a leading biodiesel producer with plans for expansion in Southeast Asia, while Zanyu Technology benefits from tax advantages in Indonesia [19][20] Financial Projections - Financial forecasts for Zhuoyue New Energy and Zanyu Technology indicate significant earnings growth, with projected EPS of 3.11 and 0.87 for 2026, respectively [21]

Investment Rating - The report maintains a "Recommended" rating for the chemical industry [1][28]. Core Insights - The global chemical industry is entering a significant upward cycle driven by anti-involution and AI demand, with China's leading companies benefiting from solid cost and efficiency advantages. The industry is expected to see a substantial increase in free cash flow as capacity expansion slows, transforming companies from cash-consuming entities to cash-generating ones. The upcoming peak season for chemicals is anticipated to enhance profitability, making it crucial to focus on demand, value, and supply dynamics for investment opportunities [3][28]. Summary by Sections Recent Trends - As of March 5, 2026, the Guohai Chemical Prosperity Index stands at 99.35, reflecting a 5.16 increase from February 26, 2026 [1]. Performance Metrics - The basic chemical sector has shown a performance increase of 7.4% over the past month, 23.6% over the past three months, and 50.8% over the past year [4]. Investment Opportunities 1. **Value-Driven Opportunities**: Potential for increased dividend yields in sectors such as coal chemicals (e.g., Hualu Hengsheng, Luxi Chemical), oil refining (e.g., Hengli Petrochemical, Sinopec), pesticides (e.g., Yangnong Chemical), and potassium fertilizers (e.g., Salt Lake Industry) [3]. 2. **Supply-Driven Opportunities**: Focus on domestic anti-involution policies and European capacity exits, with key players including PTA/Polyester (e.g., Xinfengming, Tongkun), glyphosate and organosilicon (e.g., Xingfa Group), and industrial silicon (e.g., Hoshine Silicon) [6]. 3. **Demand-Driven Opportunities**: Highlighting sectors benefiting from large-scale opportunities, including gas turbines (e.g., Zhenhua Group), refrigerants (e.g., Juhua), and energy storage (e.g., Chuanheng) [6]. Key Companies and Earnings Forecasts - The report tracks several key companies with their respective earnings per share (EPS) forecasts for 2024 to 2026, indicating a positive outlook for many, including Dongfang Shenghong, Hubei Yihua, and Wanhua Chemical [29]. Market Observations - The report notes that geopolitical tensions, particularly in the Middle East, are likely to drive oil prices higher, benefiting companies like China National Petroleum and CNOOC, while also increasing costs for petrochemical products [9][13]. Price Trends - Recent price increases have been observed in various chemical products, including MDI and TDI, with significant upward movements in raw material costs due to geopolitical events [14][18]. Conclusion - The chemical industry is positioned for a favorable outlook, driven by structural changes in supply and demand dynamics, with a focus on companies that can leverage these trends for growth and profitability [28].

Investment Rating - The report maintains a "Recommended" rating for the chemical industry [1] Core Insights - The report highlights the solid cost and efficiency advantages of leading Chinese chemical companies, which are entering a long-term upward performance phase. The recovery in demand is expected to sustain the improvement in the performance of supply-constrained sectors. The carbon emission control measures are likely to lead to a re-evaluation of the Chinese chemical industry, with capacity expansion slowing down significantly. This is expected to enhance free cash flow and potential dividend yields for companies, transforming them from cash-consuming entities to cash-generating ones. The report emphasizes the importance of demand, value, and supply in identifying investment opportunities [2][29] Summary by Sections Recent Trends - As of February 26, 2026, the Guohai Chemical Prosperity Index stands at 94.19, reflecting a slight increase of 0.22 from February 19, 2026 [1] Performance Analysis - The basic chemical sector has shown a performance increase of 6.0% over the past month, 26.1% over the past three months, and 52.2% over the past year, significantly outperforming the CSI 300 index [4] Investment Opportunities - **Value-Driven Opportunities**: Companies such as Hualu Hengsheng, Luxi Chemical, and Baofeng Energy are highlighted for their potential dividend rate increases [2] - **Supply-Driven Opportunities**: Companies like Xin Fengming and Tongkun Co. are noted for benefiting from domestic supply constraints and European capacity exits [6] - **Demand-Driven Opportunities**: The report identifies companies in sectors such as gas turbines, refrigerants, and energy storage as key beneficiaries of growing demand [6][7] Key Companies and Earnings Forecast - The report provides a detailed earnings forecast for various companies, indicating a positive outlook for firms like Dongfang Shenghong, Hubei Yihua, and Baofeng Energy, with expected earnings per share (EPS) growth in the coming years [30] Market Dynamics - The report discusses the impact of geopolitical tensions on oil prices, which are expected to rise, benefiting companies like China Petroleum and China National Offshore Oil Corporation. It also notes potential supply shortages in methanol and urea due to disruptions in Iranian production [10][11] Price Trends - Recent price movements include a significant increase in battery-grade lithium carbonate prices, which rose by 19.18% week-on-week, driven by supply constraints and demand recovery [14] Conclusion - The report concludes that the chemical industry is entering a favorable cycle, driven by supply-side constraints and increasing demand, making it an attractive investment area [29]

Market Performance - Zanyu Technology (002637) experienced a volatile stock price movement from February 6 to February 11, 2026, with a cumulative increase of 1.75% and a fluctuation range of 8.15% [1] - On February 6, the stock price rose by 3.42% to 14.22 CNY, with a trading volume of 198 million CNY; on February 9, it fell by 3.73% to 13.69 CNY; and on February 11, it increased by 3.17% to 13.99 CNY, with a trading volume of 173 million CNY [1] - The net inflow of main funds was 6.0086 million CNY, indicating a recent trend of net inflow from institutional investors [1] Financial Performance - For the period from January to September 2025, Zanyu Technology reported an operating revenue of 9.676 billion CNY, representing a year-on-year growth of 27.92% [2] - The net profit attributable to the parent company was 151 million CNY, reflecting a year-on-year increase of 24.96% [2] - The main business segments include oil chemical products, accounting for 52.21%, and surfactants, accounting for 45.59%, with growth driven by increased demand for chemical products [2] Dividend Policy - Since its listing, the company has distributed a total of 637 million CNY in dividends, with 149 million CNY distributed over the past three years, demonstrating stable profitability [2]

Group 1 - Zanyu Technology's stock increased by 5.31% to 14.28 CNY per share, with a trading volume of 1.03 billion CNY and a turnover rate of 1.66%, resulting in a total market capitalization of 6.717 billion CNY [1] - Zanyu Technology, established on September 19, 2000, and listed on November 25, 2011, is located in Hangzhou, Zhejiang Province. The company's main business involves the production and sales of surfactant products and fat chemical products, with revenue composition as follows: fat chemicals 52.21%, surfactants (including personal care products) 45.59%, trade and other businesses 1.75%, and processing services 0.45% [1] Group 2 - In the top ten circulating shareholders of Zanyu Technology, a fund under Invesco Great Wall, specifically the Invesco Great Wall Steady Gain Bond A (016869), entered the top ten in the third quarter, holding 4.5491 million shares, which is 1.03% of the circulating shares. The estimated floating profit today is approximately 3.2754 million CNY [2] - The Invesco Great Wall Steady Gain Bond A (016869) was established on November 9, 2022, with a latest scale of 10.54 billion CNY. Year-to-date return is 2.69%, ranking 342 out of 7081 in its category; the one-year return is 8.14%, ranking 423 out of 6282; and since inception, the return is 18.37% [2] Group 3 - The fund manager of Invesco Great Wall Steady Gain Bond A (016869) is Peng Chengjun, who has a cumulative tenure of 8 years and 47 days. The total asset scale under management is 98.645 billion CNY, with the best fund return during his tenure being 274.94% and the worst being -1.11% [3] Group 4 - Another fund under Invesco Great Wall, the Invesco Great Wall Shunyi Return Mixed A (002792), holds 11,800 shares of Zanyu Technology, accounting for 0.45% of the fund's net value, making it the ninth largest holding. The estimated floating profit today is approximately 8,496 CNY [4] - The Invesco Great Wall Shunyi Return Mixed A (002792) was established on December 7, 2016, with a latest scale of 1.08269 billion CNY. Year-to-date return is 0.83%, ranking 7870 out of 8884; the one-year return is 7.07%, ranking 6753 out of 8127; and since inception, the return is 63.07% [4] Group 5 - The fund managers of Invesco Great Wall Shunyi Return Mixed A (002792) are Chen Ying and Li Xunlian. Chen Ying has a cumulative tenure of 5 years and 218 days, managing assets totaling 6.257 billion CNY, with the best return during his tenure being 48.52% and the worst being 2.92%. Li Xunlian has a cumulative tenure of 2 years and 336 days, managing assets totaling 11.056 billion CNY, with the best return during his tenure being 33.81% and the worst being 2.22% [5]