证券代码：300021 证券简称：大禹节水 公告编号：2026－006 大禹节水集团股份有限公司 关于对外担保进展公告 本公司及其董事会全体成员保证信息披露的内容真实、准确和完整，没有 虚假记载、误导性陈述或重大遗漏。 一、 担保情况概述 大禹节水集团股份有限公司（以下简称"公司"）分别于2025年04月21日、 2025年05月13日召开了第六届董事会第三十八次会议和2024年年度股东大会，审 议通过了《关于公司2025年度对外担保额度预计的议案》，同意公司在2025年度 为下属公司的融资提供担保额度总计不超过人民币32.70亿元，担保方式包括但 不限于保证、质押、抵押；担保期限以实际签署的担保协议为准。公司可以根据 实际情况，在上述额度范围内，在符合要求的担保对象之间进行担保额度的调剂。 担保额度的调剂不跨越资产负债率超过70%的标准进行调剂。 公司分别于2025年12月12日、2025年12月29日召开第七届董事会第十次（临 时）会议和2025年第六次临时股东会，审议通过《关于调整对子公司担保额度预 计的议案》，同意在2024年度股东大会授权的担保额度基础上，对上述担保额度 及相关事项进行调整，担保总金 ...

证券代码：300021 证券简称：大禹节水 公告编号：2026-005 大禹节水集团股份有限公司 2025 年度业绩预告 2、业绩预告情况：自愿性业绩预告 （1）以区间数进行业绩预告的 单位：万元 | 项 目 | | | 本会计年度 | | 上年同期 | | --- | --- | --- | --- | --- | --- | | 归属于上市公司股 | 比上年同期 | 4,350 | ～ | 6,490 | 8,112.79 | | 东的净利润 | | 46.38% | ～ | 20.00% | | | | 下降 | | | | | | 扣除非经常性损益 | | 3,050 | ～ | 4,500 | | | 后的净利润 | 比上年同期 | 60.38% | ～ | 136.63% | 1,901.74 | | | 增长 | | | | | 二、与会计师事务所沟通情况 本次业绩预告数据是大禹节水集团股份有限公司（以下简称"公司"）财务部门初步测算结果， 未经会计师事务所审计。公司就本次业绩预告与会计师事务所进行预沟通，公司与会计师事务所在业绩 预告相关财务数据方面不存在重大分歧。 三、业绩变动原因说明 本公 ...

Core Viewpoint - The agricultural sector experienced a rise of 1.46% on January 28, with Runong Water Saving leading the gains [1] Group 1: Market Performance - The Shanghai Composite Index closed at 4151.24, up by 0.27% [1] - The Shenzhen Component Index closed at 14342.9, up by 0.09% [1] - Key stocks in the agricultural sector showed the following performance: - Runong Water Saving (code: 920964) closed at 7.16, up by 2.43% with a trading volume of 51,900 shares and a transaction value of 37.22 million yuan [1] - Huilong Co., Ltd. (code: 002556) closed at 6.46, up by 1.89% with a trading volume of 226,700 shares and a transaction value of 146 million yuan [1] - Dayu Water Saving (code: 300021) closed at 4.78, up by 0.84% with a trading volume of 226,000 shares and a transaction value of 108 million yuan [1] Group 2: Capital Flow - The agricultural sector saw a net inflow of 13.26 million yuan from main funds, while retail funds experienced a net outflow of 6.56 million yuan [1] - Individual stock capital flows were as follows: - Huilong Co., Ltd. had a net inflow of 7.91 million yuan (5.41%) but a net outflow of 9.36 million yuan (-6.40%) from retail investors [1] - Dayu Water Saving had a net inflow of 5.35 million yuan (4.95%) but a net outflow of 3.24 million yuan (-3.00%) from retail investors [1] - Runong Water Saving had a net inflow of 3.04 million yuan (8.16%) but a net outflow of 0.29 million yuan (-0.79%) from retail investors [1]

Core Viewpoint - The agricultural sector experienced a decline of 1.42% on January 27, with Dayu Irrigation leading the losses, while the overall market indices showed slight gains [1] Group 1: Market Performance - The Shanghai Composite Index closed at 4139.9, up 0.18% [1] - The Shenzhen Component Index closed at 14329.91, up 0.09% [1] Group 2: Individual Stock Performance - Huilong Co., Ltd. (002556) closed at 6.34, down 1.25% with a trading volume of 182,400 shares and a turnover of 116 million yuan [1] - Runong Irrigation (920964) closed at 6.99, down 1.55% with a trading volume of 26,000 shares and a turnover of 18.18 million yuan [1] - Dayu Irrigation (300021) closed at 4.74, down 1.66% with a trading volume of 205,600 shares and a turnover of 97.10 million yuan [1] Group 3: Capital Flow - The agricultural sector saw a net outflow of 10.99 million yuan from main funds, while retail investors contributed a net inflow of 14.23 million yuan [1] - Specific capital flows for individual stocks included: - Runong Irrigation: net outflow of 1.60 million yuan, down 8.79% [1] - Huilong Co., Ltd.: net outflow of 3.62 million yuan, down 3.13% [1] - Dayu Irrigation: net outflow of 7.37 million yuan, down 7.59% [1]

Group 1 - The agricultural sector index declined by 0.13% on January 26, with Runong Water Saving leading the drop [1] - The Shanghai Composite Index closed at 4132.61, down 0.09%, while the Shenzhen Component Index closed at 14316.64, down 0.85% [1] - Key stocks in the agricultural sector showed varied performance, with Huillong Co. rising by 0.78% to a closing price of 6.42, while Dayu Water Saving and Runong Water Saving fell by 1.43% and 2.34%, respectively [1] Group 2 - The net outflow of main funds in the agricultural sector was 29.38 million yuan, while retail investors saw a net inflow of 33.45 million yuan [1] - Detailed fund flow data indicated that Runong Water Saving experienced a net outflow of 2.07 million yuan from main funds and 2.26 million yuan from speculative funds, but a net inflow of 0.75 million yuan from retail investors [1] - Huillong Co. had a significant net inflow from retail investors amounting to 21.29 million yuan, despite a net outflow of 14.26 million yuan from main funds [1]

Core Viewpoint - The agricultural sector experienced a slight decline of 0.09% on January 23, with Hui Long Co., Ltd. leading the losses, while the overall market indices showed positive movements with the Shanghai Composite Index rising by 0.33% and the Shenzhen Component Index increasing by 0.79% [1] Group 1: Market Performance - The Shanghai Composite Index closed at 4136.16, up by 0.33% [1] - The Shenzhen Component Index closed at 14439.66, up by 0.79% [1] - The agricultural sector's main stocks showed mixed performance, with Hui Long Co., Ltd. declining by 0.16% [1] Group 2: Stock Performance - Runong Irrigation closed at 7.27, with a slight increase of 0.14% and a trading volume of 31,100 shares, totaling a transaction value of 22.64 million yuan [1] - Dayu Irrigation remained unchanged at 4.89, with a trading volume of 205,200 shares, totaling a transaction value of 100 million yuan [1] - Hui Long Co., Ltd. closed at 6.37, down by 0.16% with a trading volume of 156,600 shares, totaling a transaction value of 99.58 million yuan [1] Group 3: Capital Flow - The agricultural sector saw a net outflow of 3.11 million yuan from main funds, while retail investors contributed a net inflow of 10.55 million yuan [1] - Hui Long Co., Ltd. experienced a net outflow of 5.24 million yuan, representing a decrease of 5.26% [1] - Dayu Irrigation had a net outflow of 2.89 million yuan, with a decrease of 2.20% [1] - Runong Irrigation faced a significant net outflow of 3.02 million yuan, with a decrease of 13.33% [1]

Core Insights - The agricultural sector index increased by 1.56% on January 22, with Runong Water Saving leading the gains [1] - The Shanghai Composite Index closed at 4122.58, up 0.14%, while the Shenzhen Component Index closed at 14327.05, up 0.5% [1] Agricultural Sector Performance - Runong Water Saving (code: 920964) closed at 7.26, with a rise of 2.69% and a trading volume of 38,000 shares, totaling a transaction value of 27.39 million yuan [1] - Huilong Co., Ltd. (code: 002556) closed at 6.38, increasing by 2.08% with a trading volume of 219,900 shares [1] - Dayu Water Saving (code: 300021) closed at 4.89, up by 0.82% with a trading volume of 228,600 shares [1] Capital Flow Analysis - The agricultural sector saw a net inflow of 14,000 yuan from institutional investors, while retail investors contributed a net inflow of 874.94 million yuan [1] - Runong Water Saving experienced a net inflow of 259.72 million yuan, representing 9.48% of its total capital flow [1] - Huilong Co., Ltd. had a net outflow of 694.87 million yuan, which is -4.99% of its total capital flow [1] - Dayu Water Saving faced a net outflow of 150.09 million yuan, accounting for -1.35% of its total capital flow [1]

Group 1 - The agricultural sector index increased by 0.36% on January 21, with Dayu Irrigation leading the gains [1] - The Shanghai Composite Index closed at 4116.94, up 0.08%, while the Shenzhen Component Index closed at 14255.12, up 0.7% [1] - Dayu Irrigation's closing price was 4.85, with a gain of 0.41%, and a trading volume of 173,200 shares [1] Group 2 - The agricultural sector experienced a net outflow of 875,200 yuan from main funds, while retail investors saw a net inflow of 927,620 yuan [1] - Dayu Irrigation had a net outflow of 2,908,200 yuan, representing a decrease of 3.47% [1] - Huilong Co. experienced a net outflow of 7,419,600 yuan, with a decrease of 7.93% [1]

Group 1 - The "15th Five-Year Plan" is set to launch as the "14th Five-Year Plan" concludes, emphasizing the importance of major national projects as symbols of national strength and innovation [1] - The China Listed Companies Association (CLCA) collaborates with Douyin to explore major national projects, inviting 53 quality content creators to visit 12 leading industry companies [1] - The initiative aims to showcase the highlights of listed companies and create engaging content that tells the story of Chinese enterprises through unique perspectives [1][5] Group 2 - Douyin creators have gained significant attention by providing immersive experiences of major national projects, such as the Ningbo-Zhoushan underwater tunnel, which is the world's longest underwater high-speed rail tunnel at 11.21 kilometers [2] - The videos produced have garnered over 30 million views, allowing viewers to appreciate China's infrastructure capabilities and technological advancements [3] - The creators also highlight how technology transforms lives, showcasing projects like advanced irrigation systems in Yunnan that have turned previously arid land into a thriving agricultural region [3] Group 3 - The collaboration has resulted in 56 exclusive deep-dive videos, with a total follower count exceeding 170 million, and the hashtag IAmInThe14thFiveYears has reached nearly 1.8 billion views [6] - Topics related to China's railway construction and wind power leadership have frequently topped trending lists on Douyin, indicating strong public interest and engagement [6] - The CLCA aims to continue exploring ways to effectively communicate the stories of listed companies, emphasizing craftsmanship, social responsibility, and patriotism [6]

Group 1 - The agricultural sector increased by 1.98% on January 19, with HuiLong Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 4114.0, up 0.29%, while the Shenzhen Component Index closed at 14294.05, up 0.09% [1] - HuiLong Co., Ltd. closed at 6.15 with a rise of 2.67%, while DaYu Irrigation and RunNong Irrigation had mixed performances [1] Group 2 - The net inflow of main funds in the agricultural sector was 49.22 million yuan, while retail investors saw a net inflow of 12.41 million yuan [1] - DaYu Irrigation experienced a net outflow of 5.74% from speculative funds, while HuiLong Co., Ltd. had a net outflow of 0.51% from main funds [1] - Retail investors contributed significantly to the net inflow in HuiLong Co., Ltd. with 6.28% [1]