| | | | 代码 名称 主力净流入（元） 主力净占比 游资净流入（元) 游资净占比 散户净占比 | | | | | --- | --- | --- | --- | --- | --- | --- | | 002556 辉障股份 | -468.85万 | -9.51% | 315.58万 | 6.40% | 153.27万 | 3.11% | | 300021 大禹节水 | -478.07万 | -2.74% | -40.82万 | -0.23% | 518.89万 | 2.97% | 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。 证券之星消息，9月12日农业综合板块较上一交易日下跌0.36%，润农节水领跌。当日上证指数报收于 3883.69，上涨0.22%。深证成指报收于12996.38，上涨0.13%。农业综合板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 002556 | ...

（文章来源：证券日报） 证券日报网讯 9月11日晚间，大禹节水发布公告称，近日，公司与广发银行股份有限公司天津分行签订 《最高额保证合同》，为子公司大禹节水（天津）有限公司在广发银行天津分行授信提供连带责任保证 担保，担保金额5，000万元，担保期限1年。截至本公告披露日，公司及其控股子公司获得审批的对外 担保额度为506，573.00万元；公司及其控股子公司对外担保总额为305，276.00万元，占公司2024年12 月31日经审计净资产的比例为148.80%；公司及其控股子公司实际对外担保余额为179，489.33万元，占 公司2024年12月31日经审计净资产的比例为87.49%。 ...

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 证券代码：300021 证券简称：大禹节水 公告编号：2025－141 大禹节水集团股份有限公司 关于对外担保进展公告 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。 近日，公司与广发银行股份有限公司天津分行（以下简称"广发银行天津分 行"）签订《最高额保证合同》，为子公司大禹节水（天津）有限公司（以下简 称"天津大禹"）在广发银行天津分行授信提供连带责任保证担保，担保金额 5,000 万元，担保期限 1 年。 | 单位：万元 ...

证券日报网讯大禹节水（300021）9月10日在互动平台回答投资者提问时表示，股东人数请关注公司披 露的定期报告。 ...

证券之星消息，9月10日农业综合板块较上一交易日上涨0.62%，大禹节水领涨。当日上证指数报收于 3812.22，上涨0.13%。深证成指报收于12557.68，上涨0.38%。农业综合板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 300021 | 大禹节水 | 5.15 | 1.58% | 35.66万 | | 1.82亿 | | 002556 | 辉隆股份 | 5.62 | -0.18% | 5.56万 | | 3120.13万 | | 830964 | 润农节水 | 8.25 | -0.48% | 2.99万 | | 2471.48万 | 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。 | | | | 代码 名称 主力净流入（元） 主力净占比 游资净流入（元） 游资净占比 散户净占比 | | | | | --- | --- | --- | --- | --- | --- | ...

（编辑 王雪儿） 证券日报网讯 大禹节水9月10日在互动平台回答投资者提问时表示，淮安设计院股权转让事宜尚未进入 实质性竞拍阶段，公司参与竞拍的计划没有改变，已做好充足准备，将持续跟进。若能竞拍成功，将极 大程度地增强公司水利设计业务的核心能力，有效实现水利设计业务的资质提升、人才获取和市场布 局，对于增厚公司资产及利润规模、优化收入结构、提升盈利质量均具有重要意义。同时，本次竞拍是 公司沿循水利产业链进行全面布局的重要里程碑，将进一步增强公司在水利领域的综合实力，有利于公 司发挥全面协同优势，为进一步拓展大型灌区、大型引调水和大型水库等水利领域重大项目提供有力支 撑。 ...

Group 1 - The agricultural comprehensive sector increased by 0.63% on September 5, with Runong Water Saving leading the gains [1] - The Shanghai Composite Index closed at 3812.51, up 1.24%, while the Shenzhen Component Index closed at 12590.56, up 3.89% [1] - Runong Water Saving's closing price was 8.45, with a rise of 2.67%, and a trading volume of 71,500 shares [1] Group 2 - The net inflow of main funds in the agricultural comprehensive sector was 2.17 million yuan, while retail investors experienced a net outflow of 4.64 million yuan [1] - The main net inflow for Huilong Co. was 1.69 million yuan, accounting for 3.13% of the total, while retail investors had a net outflow of 2.21 million yuan [1] - Dayu Water Saving saw a main net inflow of 478,400 yuan, with retail investors experiencing a net outflow of 2.44 million yuan [1]

Core Viewpoint - Dayu Water-saving is committed to technological research and development, promoting domestic substitution in core areas, and has successfully introduced advanced international drip irrigation technology to China, making it accessible for local farmers [2] Group 1: Technological Advancements - The company has pioneered the domestic substitution of expensive drip irrigation technology, transforming it into affordable products for Chinese farmers [2] - Dayu Water-saving's drip irrigation belt production technology and anti-blocking drip irrigation technology are at an international first-class level [2] - The company has developed smart metering and control products, successfully eliminating reliance on foreign counterparts, ensuring the security and confidentiality of agricultural water data [2] Group 2: Innovative Solutions - The newly developed acoustic rain-enhancement technology fills a gap in efficient and harmless artificial rain-making technology both domestically and internationally [2] - This innovation is expected to represent an important aspect of new productive forces in agriculture [2]

Group 1 - The agricultural sector index increased by 1.24% on September 4, with Runong Irrigation leading the gains [1] - The Shanghai Composite Index closed at 3765.88, down 1.25%, while the Shenzhen Component Index closed at 12118.7, down 2.83% [1] - Key stocks in the agricultural sector showed the following performance: Runong Irrigation at 8.23 with a rise of 1.48%, Huilong Co. at 5.58 with a rise of 1.27%, and Dayu Irrigation at 5.05 with a rise of 1.20% [1] Group 2 - The agricultural sector saw a net inflow of 11.39 million yuan from main funds, while retail funds experienced a net outflow of 1.12 million yuan [1] - Specific stock fund flows included: Dayu Irrigation with a main fund inflow of 7.52 million yuan and a retail fund outflow of 2.37 million yuan, and Huilong Co. with a main fund inflow of 3.86 million yuan and a retail fund inflow of 1.25 million yuan [1]

Core Viewpoint - Dayu Water-saving announced that its wholly-owned subsidiary, Gansu Dayu Water-saving Group Hydraulic and Hydropower Engineering Co., Ltd., has become the first candidate for the design and construction general contracting (EPC) of the urban-rural water supply integration project in Fan District, Xiangyang City, Hubei Province [2] Group 1 - The public resource trading service platform of Xiangyang City released the evaluation results for the EPC bidding on September 2, 2025 [2] - The consortium led by Gansu Dayu Water-saving Group includes Hubei Yulong Hydraulic and Hydropower Engineering Co., Ltd., Hainan Lisheng Water Purification Technology Industry Co., Ltd., Xiangyang Shuangchen Engineering Consulting Co., Ltd., China Mobile System Integration Co., Ltd., and Hubei Miaosen Engineering Survey and Design Co., Ltd. [2]