中国上市公司协会联合新华网等媒体，开展"我在'十四五'这五年 上市公司在行动"主题宣传活动。 在河西走廊的疏勒河灌区，数字孪生平台正实时模拟着水流的每一寸轨迹，让每滴水都找到最高效的用 途；在渤海之滨的天津武清智能工厂，机械臂精准装配，每分钟产出数百米滴灌带；在西北广袤的田野 间，朱万同——这位从操作工成长起来的"全国劳动模范"，正带领团队调试新设备，他的技改让管材生 产效率提升42.6%，配方成本每吨降低184元-325元…… 十八年如一日，他扎根生产一线，用心记录每台设备参数、每道工序要点，同时利用业余时间不断 学习。从PVC生产线挤出模具改进，到PE混料系统优化；从PVC切割机改造，到配方优化，他先后完 成了一系列技改项目。最让人称道的是，通过对管材生产线Ø160-200模具改造和混料机参数及混料方 式变更，管材生产效率提升42.6%；通过调整管材车间PVC管材配方添加比例，管材配方成本总体降低 184元/吨-325元/吨。 "不下车间，光凭嘴说是解决不了问题的，只有实践才能找到技术改进的'金钥匙'"。在新购进的 Ø1000mm口径PVC生产线调试过程中，由于没有成熟的配方出现焦料现象，他连夜组织人员拆 ...

Core Viewpoint - Dayu Water-saving has achieved a significant opportunity for business expansion by winning the bid for a high-standard farmland construction project in Jinta County, which aligns with national rural revitalization strategies [1][2]. Group 1: Project Bid and Impact - Dayu Water-saving's wholly-owned subsidiary, Gansu Dayu Water-saving Group Hydropower Engineering Co., Ltd., has become the first candidate for the first bid section of the Jinta County 2025 high-standard farmland construction project, with a bid price of 106 million yuan [1]. - The project is expected to enhance the company's technical capabilities and brand influence in the high-standard farmland construction sector in Gansu Province [1][2]. - If the project proceeds smoothly, it will significantly improve Dayu Water-saving's technical standards and comprehensive solution capabilities in high-standard farmland construction, further expanding its market influence in Gansu [2]. Group 2: Financial Performance and R&D Investment - In the first half of 2025, Dayu Water-saving reported an operating income of 1.276 billion yuan, a year-on-year increase of 4.9%, while the net profit attributable to shareholders decreased by 33.24% to 12.5941 million yuan [3]. - Despite the decline in net profit, the company's gross profit margin remained stable, with an overall gross margin of 23.25%, up 0.17 percentage points year-on-year [3]. - The company has significantly increased its R&D investment, with a total of 477 million yuan spent on R&D from 2020 to the first half of 2025, focusing on smart agricultural technologies [3]. Group 3: Technological Advancements and Future Plans - Dayu Water-saving has introduced advanced drip irrigation technology to China, making it affordable for farmers, and its drip irrigation products have reached international standards [4]. - The company plans to enhance its industrial layout through external mergers and acquisitions, expanding into new business areas such as agricultural drones and unmanned equipment to further improve its competitive edge [4].

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]