[Table_Reportdate] 2026年03月31日 标配 行 业 深 度 [证券分析师 Table_Authors] 吴骏燕 S0630517120001 wjyan@longone.com.cn 证券分析师 谢建斌 S0630522020001 xjb@longone.com.cn [table_stockTrend] -27% -12% 3% 19% 34% 50% 65% 25-03 25-06 25-09 25-12 申万行业指数:基础化工(0722) 沪深300 [Table_NewTitle 从战略变化] 到财务画像，我国农药企业 的发展启示与投资聚焦 [table_main] 投资要点： 基 础 化 证券研究报告 HTTP://WWW.LONGONE.COM.CN 请务必仔细阅读正文后的所有说明和声明 行 业 研 究 工 [table_invest] ——农药行业系列报告（一） [table_product] ➢ 从销售额看全球农药市场格局变化。2025年全球农药行业呈现强韧性与高分化并存格局： 头部综合农化巨头凭借种子+植保协同、创新管线与成本优化实现稳健增长，2025年 TOP20 ...

行 业 及 产 业 基础化工 2026 年 03 月 30 日 高油价下关注煤化工等能源套利以 及农药板块，SEMICON 展现国产 替代加速趋势 看好 ——《化工周报 26/3/23-26/3/27》 相关研究 《生物基 PDO 格局优化，台积电资本开支 大幅增加，半导体材料景气持续上行—— 《化工周报 26/1/12-26/1/16》》 2026/01/18 证券分析师 马昕晔 A0230511090002 maxy@swsresearch.com 宋涛 A0230516070001 songtao@swsresearch.com 研究支持 任杰 A0230522070003 renjie@swsresearch.com 赵文琪 A0230523060003 zhaowq@swsresearch.com 邵靖宇 A0230524080001 shaojy@swsresearch.com 周超 A0230525090001 zhouchao@swsresearch.com 李绍程 A0230525070002 lisc@swsresearch.com 李彦宏 A0230125030002 liyh@swsr ...

Investment Rating - The report maintains an "optimistic" rating for the chemical industry [3][4]. Core Insights - The report highlights the impact of geopolitical tensions on oil prices, suggesting that the oil price center may remain elevated throughout the year. It emphasizes the potential for significant arbitrage opportunities in coal chemical, natural gas chemical, and chlor-alkali sectors due to high oil prices [3][4]. - The report notes a bullish trend in the agricultural chemicals sector, with many pesticide products experiencing price increases following the CAC Global Agricultural Exhibition. It suggests that the price hikes may exceed expectations [3][4]. - The semiconductor sector is showing accelerated trends in domestic substitution, with local equipment manufacturers launching new products and material companies successfully ramping up production [3][4]. Summary by Sections Macro Economic Judgments - Oil prices are expected to remain high due to geopolitical factors, while coal prices are stabilizing at a low level. Natural gas prices may rise in the short term due to conflicts, but costs for imported natural gas are anticipated to decrease [4][5]. Chemical Sector Configuration - The report suggests focusing on four areas for investment: alternative energy (coal chemical, natural gas chemical, chlor-alkali), agricultural chemicals, fine chemicals with high overseas production capacity, and sub-industries with favorable supply-demand dynamics [3][4]. - Specific companies to watch include Baofeng Energy, Hualu Hengsheng, Luxi Chemical, and Weixing Chemical in the coal chemical sector; Yangnong Chemical and Runfeng Co. in the agricultural sector; and Xinjiang Tianye and Wanwei High-tech in chlor-alkali [3][4]. Price Trends and Market Dynamics - The report provides detailed price movements for various chemicals, including a rise in methionine prices by 8.5 CNY/kg to 48 CNY/kg, indicating strong price transmission and continued bullish sentiment [3][4]. - The report also notes that the PPI for industrial products decreased by 0.9% year-on-year but increased by 0.4% month-on-month, reflecting ongoing market adjustments [5][6]. Key Material Focus - The report emphasizes the importance of self-sufficiency in key materials, particularly in the semiconductor sector, where companies like Yake Technology and Dinglong Co. are highlighted for their growth potential [3][4].

Investment Rating - The report maintains an "Optimistic" rating for the chemical industry [3][4]. Core Insights - High oil prices are expected to sustain, leading to expanded arbitrage opportunities in coal chemical and natural gas chemical sectors. The price of methionine continues to rise due to strong demand, and positive feedback from the CAC Agricultural Exhibition is noted [3][4]. - The report suggests focusing on companies such as Baofeng Energy, Hualu Hengsheng, Luxi Chemical, Satellite Chemical, and Wanhua Chemical due to favorable market conditions [3][4]. Summary by Sections Macro Economic Judgments - Oil prices are likely to remain high due to geopolitical tensions affecting supply routes. Coal prices are stabilizing at a low point, while natural gas prices are expected to rise temporarily due to conflicts, with potential for reduced import costs as the U.S. accelerates natural gas export facility construction [3][4]. Chemical Sector Configuration - The report highlights the expansion of arbitrage opportunities in coal and natural gas chemicals, with natural gas arbitrage space at $12.11 per million British thermal units and coal arbitrage at 844 RMB per ton, both showing significant increases since the beginning of the year [3][4]. - The report emphasizes the importance of the agricultural chemical chain, with steady growth in fertilizer demand and rising prices for various pesticide products due to supply tightness and seasonal demand [3][4]. Investment Analysis - The report recommends a diversified investment strategy focusing on four areas: alternative energy (coal and natural gas chemicals), agricultural chemicals, fine chemicals with high overseas production ratios, and sectors with improving supply-demand dynamics [3][4]. - Specific companies to watch include Xinjiang Tianye and Wanwei High-tech in the PVA sector, and Yangnong Chemical and Anpon in the agricultural chemicals sector [3][4]. Key Material Focus - The report identifies key materials for growth, including semiconductor materials, OLED panel materials, and lithium battery materials, suggesting companies like Yake Technology and Dinglong Co. for investment opportunities [3][4].

Investment Rating - The industry investment rating is maintained as "Positive" [5] Core Viewpoints - The geopolitical situation in the Middle East continues to impact the stability of raw material supplies, which is a primary concern for the chemical industry. Despite fluctuations in stock prices, the underlying demand for certain chemical products remains strong, particularly in sectors like polyurethane, PVC, and polyester [2][8] - The sweetener industry is showing signs of marginal improvement, with a notable increase in exports of sucralose and acesulfame K, indicating a potential recovery in demand. The domestic market for sucralose as a feed additive is also expected to expand, enhancing the industry's growth prospects [8] Summary by Relevant Sections Investment Recommendations and Targets - The report highlights several key companies across various sub-industries within the chemical sector: - MDI leader: Wanhua Chemical (600309, Buy) - PVC industry players: Zhongtai Chemical (002092, Not Rated), Xinjiang Tianye (600075, Not Rated), Chlor-alkali Chemical (600618, Not Rated), Tianyuan Co., Ltd. (002386, Not Rated) - Refining industry leaders: Sinopec (600028, Buy), Rongsheng Petrochemical (002493, Buy), Hengli Petrochemical (600346, Buy) - Agricultural chemical chain: Guoguang Co., Ltd. (002749, Buy), Xinyangfeng (000902, Buy), Shidanli (002588, Not Rated), Yuntu Holdings (002539, Not Rated), Runfeng Co., Ltd. (301035, Buy) - Phosphate chemical companies benefiting from energy storage growth: Chuanheng Co., Ltd. (002895, Not Rated), Yuntianhua (600096, Not Rated) - Oxalic acid industry: Hualu Hengsheng (600426, Buy), Huayi Group (600623, Buy), Wankai New Materials (301216, Buy) - Titanium dioxide leaders: Tianyuan Co., Ltd. (002386, Not Rated), Longbai Group (002601, Increase) - Sweetener industry: Jinhui Industrial (002597, Buy), Cooch Chemical (603968, Not Rated) [3]

证券代码：301035 证券简称：润丰股份 公告编号：2026-008 山东潍坊润丰化工股份有限公司 关于控股股东部分股份质押的公告 二、股东股份累计质押的情况 截至公告披露日，上述股东所持质押股份情况如下： | | | | | | | | 已质押股份情况 | | 未质押股份情况 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 股东 | 持股数量 | 持股比 | 本次质押前 | 本次质押后 | 占其所 | 占公司 | | 占已 | | 占未 | | | | | 质押股份数 | 质押股份数 | 持股份 | 总股本 | 已质押股份 | 质押 | 未质押股份 | 质押 | | 名称 | （股） | 例 | | | | | 限售和冻结 | | 限售和冻结 | | | | | | 量（股） | 量（股） | 比例 | 比例 | | 股份 | | 股份 | | | | | | | | | 数量（股） | | 数量（股） | | | | | | | | | | | 比例 | | 比例 | | 润源 | 114,911,237 ...

Investment Rating - The industry investment rating is maintained as "Positive" [5] Core Viewpoints - The report emphasizes that the stability of raw material supply has become the primary concern for the chemical industry due to ongoing conflicts in the Middle East [2][7] - The report highlights the recovery opportunities across various sub-sectors of the chemical industry, particularly in MDI, PVC, refining, and agricultural chemicals [3][7] Summary by Relevant Sections Investment Recommendations and Targets - The report recommends several companies: - MDI leader: Wanhua Chemical (600309, Buy) - PVC industry players: Zhongtai Chemical (002092, Not Rated), Xinjiang Tianye (600075, Not Rated), Chlor-alkali Chemical (600618, Not Rated), Tianyuan Co., Ltd. (002386, Not Rated) - Refining industry leaders: Sinopec (600028, Buy), Rongsheng Petrochemical (002493, Buy), Hengli Petrochemical (600346, Buy) - Agricultural chemical leaders: Guoguang Co., Ltd. (002749, Buy), Xinyangfeng (000902, Buy), Shidanli (002588, Not Rated), Yuntu Holdings (002539, Not Rated), and Runfeng Co., Ltd. (301035, Buy) for pesticide formulations [3] - The report also notes the potential in the phosphorous chemical sector driven by rapid growth in energy storage, with companies like Chuanheng Co., Ltd. (002895, Not Rated) and Yuntianhua (600096, Not Rated) being highlighted [3] - In the oxalic acid industry, companies to watch include Hualu Hengsheng (600426, Buy), Huayi Group (600623, Buy), and Wankai New Materials (301216, Buy) [3] Market Dynamics - The report indicates that the market's focus has shifted from oil prices to the stability of raw material supply, with many companies adjusting their operations in response to geopolitical uncertainties [7] - It is noted that the PVC sector is expected to benefit from its reliance on coal as a primary raw material, which offers stability compared to ethylene-based PVC production [7] - The agricultural chemicals sector is anticipated to see an upward trend in demand due to rising agricultural product prices and the importance of food security amid geopolitical tensions [7]

Investment Rating - The report maintains an "Optimistic" rating for the chemical industry [2][3]. Core Insights - The report highlights that geopolitical conflicts have led to a significant increase in oil prices, with Brent crude reaching $93 per barrel as of March 6, 2026. If the Strait remains blocked for 4-6 weeks, prices may rise above $120, impacting the chemical sector positively in the short term [2][3]. - The report indicates that the chemical sector is experiencing upward price trends for MDI, TDI, and methionine due to increased costs and supply constraints, suggesting a potential price surge in the pesticide sector as well [2][3]. - The report emphasizes the importance of focusing on key materials for growth, particularly in semiconductor materials and packaging materials, as well as the impact of "anti-involution" policies accelerating the exit of outdated capacities [2][3]. Summary by Sections Macro Economic Analysis - Oil prices have surged due to geopolitical tensions, with Brent crude at $93 per barrel. If the situation persists, prices could exceed $120, which would have significant implications for the chemical industry [3][4]. - Coal prices are stabilizing, and natural gas prices are expected to decline as the U.S. accelerates its export facilities [3]. Chemical Sector Dynamics - The report notes that MDI and TDI prices are rising due to sustained cost pressures and supply constraints, with domestic companies controlling shipment volumes [2][3]. - The methionine market is expected to recover, with prices increasing to 22.5 yuan/kg, driven by geopolitical disruptions affecting supply [2][3]. Investment Recommendations - The report suggests focusing on various chains, including textile, agricultural chemicals, and export-related sectors, with specific companies highlighted for potential investment [2][3]. - Key companies to watch include Wanhua Chemical, Cangzhou Dahua, and others in the agricultural sector like Yangnong Chemical and Runfeng Co., which are expected to benefit from rising prices [2][3]. Company Valuation Insights - The report provides a valuation table for key companies, indicating their market capitalization and projected earnings, with specific recommendations for buy, hold, or sell based on their performance [14][15].

Investment Rating - The report maintains an "Optimistic" rating for the chemical industry [3][4]. Core Insights - The geopolitical conflicts have led to a significant increase in oil prices, with Brent crude reaching $93 per barrel, which positively impacts the chemical sector if the blockade lasts for 4-6 weeks. If it extends beyond that, prices could exceed $120 per barrel, creating potential price transmission issues for the industry [3][4]. - The report highlights the rising prices of MDI, TDI, and methionine, suggesting a potential price surge in the pesticide sector due to low global inventory levels and increased demand as the spring farming season approaches [3][4]. - The report suggests focusing on companies like Hualu Hengsheng, Luxi Chemical, and Wanhua Chemical due to their strong supply-side support and market dynamics [3][4]. Industry Dynamics - Oil prices have risen significantly, with Brent crude increasing by 27.5% and WTI by 36.5% as of March 6 [9]. - The PPI for industrial products showed a year-on-year decrease of 1.4% but a month-on-month increase of 0.4%, indicating a slight recovery in the chemical sector [4][6]. - The report notes that the agricultural sector is likely to see a price increase due to low inventory levels and the upcoming spring planting season, with companies like Yangnong Chemical and Runfeng Co. being highlighted for potential investment [3][4]. Investment Analysis - The report recommends a diversified investment approach across various chains, including textile, agricultural chemicals, and export-related sectors, with specific companies identified for each category [3][4]. - Key materials for growth are emphasized, particularly in semiconductor and panel materials, with companies like Yake Technology and Ruilian New Materials being noted for their potential [3][4]. - The report suggests that the chemical sector is well-positioned for growth, with a focus on companies that can benefit from the current market dynamics and geopolitical influences [3][4].

Core Insights - Smart agriculture is a significant advanced stage in the development of agricultural informationization and modernization, utilizing cutting-edge technologies like satellite positioning systems and intelligent devices to enhance productivity and resource efficiency [1][5] - The Chinese smart agriculture market is experiencing rapid growth, with the market size projected to increase from 38.47 billion yuan in 2017 to 120 billion yuan by 2025, reflecting a compound annual growth rate (CAGR) of 15.28% [1][8] - Smart agriculture is a crucial support for rural revitalization and an inevitable trend in agricultural modernization, with future applications expected to be broader and more mature as technology continues to evolve [1][8] Smart Agriculture Industry Overview - Smart agriculture integrates modern information technologies such as the Internet, IoT, big data, and AI to achieve comprehensive information perception, quantitative decision-making, intelligent control, and personalized services in agricultural production [2][5] - Key components of smart agriculture include smart planting, smart livestock, smart aquaculture, intelligent farming machinery, and smart parks [2] Smart Agriculture Classification - Smart agriculture can be categorized into various segments, including smart planting, smart livestock, smart aquaculture, and intelligent agricultural machinery [3] Benefits of Smart Agriculture - Smart agriculture improves ecological environments by ensuring that agricultural practices do not harm soil and water quality, while also enhancing production efficiency through real-time monitoring and data analysis [4][5] - It transforms the mindset of agricultural producers and consumers, enabling remote learning and access to agricultural knowledge and market information, thus changing traditional reliance on experience [5] Industry Development History - The development of smart agriculture in China can be divided into five stages, from traditional practices before 2000 to the current focus on ecological sustainability and resource optimization [6] Industry Policies - The Chinese government has implemented various policies to promote smart agriculture, recognizing it as a key component of digital rural construction and rural revitalization strategies [6] - The "National Smart Agriculture Action Plan (2024-2028)" aims to enhance public service capabilities and explore intelligent solutions for major crops by 2026 [6] Industry Value Chain - The smart agriculture value chain consists of upstream raw materials and equipment, midstream agricultural production processes, and downstream agricultural product processing and distribution [6][7] Current Market Size and Structure - The smart agriculture market is primarily driven by digital platform services and smart planting, accounting for 36% and 31% of the market, respectively [8] - The agricultural product circulation market in China is projected to reach 16.87 trillion yuan in 2024, with a 3% year-on-year growth [7] Industry Trends - The future of smart agriculture will focus on precision management, automation, and environmental sustainability, leveraging advanced technologies to enhance productivity and reduce resource waste [11][12][14] - Automation will significantly improve efficiency across the agricultural production chain, from planting to harvesting, enabling continuous production and higher land productivity [12][13]