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Daoyunai Energy Saving Technology Limited
Daoyunai Energy Saving Technology Limited has been committed to manufacturing trenchless CIPP UV cure systems with liners and CCTV inspection crawlers for underground pipelines to service customers all over the world.The product range covers four series and more than 20 models in the underground pipeline trenchless repair industry:1. UV curing and repair integrated system D919: LED lamp curing and high-voltage mercury lamp curing.2. UV cure liner: from diameter DN200 up to DN18003. Hot water ...
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Lastest company news about Introducing the Cutting-Edge Mini LED UV Curing Equipment for DN100-250 Lateral Pipes
Introducing the Cutting-Edge Mini LED UV Curing Equipment for DN100-250 Lateral Pipes

2024-12-04

Introducing the Cutting-Edge Mini LED UV Curing Equipment for DN100-250 Lateral Pipes In a groundbreaking move, the latest innovation in UV curing technology has arrived with the unveiling of the Mini LED UV curing equipment designed specifically for DN100-250 lateral pipes. This state-of-the-art equipment is set to revolutionize the industry with its unparalleled efficiency and precision.   The Mini LED UV curing equipment boasts a compact design without compromising on performance, making it ideal for curing processes in confined spaces such as lateral pipes. Its advanced LED technology ensures rapid curing times while maintaining high-quality results, enhancing productivity and reducing downtime.   Equipped with a user-friendly interface, operators can easily control and monitor the curing process, ensuring optimal results every time. The versatility of this equipment allows for seamless integration into existing workflows, offering a seamless solution for various pipe diameters within the DN100-250 range.   Furthermore, the environmentally friendly LED technology used in this equipment significantly reduces energy consumption and eliminates the need for harmful chemicals, making it a sustainable choice for businesses looking to minimize their environmental impact.   With the introduction of the Mini LED UV curing equipment for DN100-250 lateral pipes, customers can expect faster curing times, improved efficiency, and superior results, setting a new standard in UV curing technology for the industry. Stay ahead of the curve with this innovative solution from Dao Yu Nai.  
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Lastest company news about Announcement for Dao Yu Nai 2023 Market Activities
Announcement for Dao Yu Nai 2023 Market Activities

2023-10-16

Announcement for Dao Yu Nai 2023 Market Activities   Event: 14th International Conference on Pipeline Engineering and Non-Destructive Technology (ICPTT2013) Date: November 15th-18th, 2023 Venue: Sheraton Shanghai Jiading Hotel, Shanghai Organizers: Tongji University Sun Yat-sen University Zhengzhou University Shanghai Highway & Bridge (Group) Co., Ltd. Shanghai Institute of Disaster Prevention and Relief Shanghai Urban Construction Water Affairs Group Co., Ltd. Yangtze River Ecological Environmental Protection Group Co., Ltd. Shanghai Municipal Engineering Design & Research Institute (Group) Co., Ltd. China University of Geosciences (Wuhan) International Joint Research Center for Non-Destructive Technology of Underground Infrastructure Ba Dao Engineering Hospital   Event: 2023 China International Pipeline Expo-Shanghai Date: November 22nd-24th, 2023 Venue: National Exhibition and Convention Center (Shanghai), NECC (SHANGHAI) Concurrent Activities: China International Pipeline Congress 10th Forum on Non-Destructive Development of Underground Pipeline Engineering Forum on Underground Municipal Infrastructure and Information System Construction 2023 China Urban Flood Control and Drainage Emergency Forum Forum on Drainage System Improvement and Efficiency Enhancement Forum on Water Supply Security and Smart Water Management Forum on Urban Road Subsidence Disaster Prevention and Control China Municipal Pipeline Structure Technology Exchange Conference 5th Forum on the Development of Smart Urban Pipeline Networks China Urban Gas Safety Operation and Smartization Summit Forum on Comprehensive Pipe Corridor Development 2023 Smart Heating and Heating Operation Technology Summit  
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Latest company case about Successful UV Liner Installation: Mini LED CIPP Solves Small Sewer Challenges
Successful UV Liner Installation: Mini LED CIPP Solves Small Sewer Challenges

2025-06-09

Successful UV Liner Installation: Mini LED CIPP Solves Small Sewer Challenges Efficient Trenchless Repair for DN200 Sewers with Daoyunai’s Mini LED UV CIPP Equipment In April 2025, Daoyunai Energy Saving Technology Suqian Company successfully completed a UV liner installation in Suzhou, demonstrating the effectiveness of Mini LED UV CIPP technology for small-diameter sewer rehabilitation (DN100-DN250). This project highlights how trenchless UV curing can overcome challenges in tight spaces where traditional methods fail. Project Overview Location: Suzhou, China Pipe Diameter: DN200 Section Lengths: 20m, 30m, 40m Installation Period: March 30 – April 20, 2025 Key Technology: UV curing with Daoyunai’s fiberglass resin liner Equipment Used: Mini LED UV CIPP System (DN100-DN250 compatible) Challenges & Solutions The sewer pipes in this project were:✔ Small-diameter (DN200) with multiple bends✔ Short section lengths (20m-40m)✔ Located in confined spaces (riverbanks, villages)✔ Inaccessible to large machinery Traditional excavation or steam-cured CIPP would have been costly, disruptive, or impossible. Instead, Daoyunai’s Mini LED UV CIPP equipment provided:✅ Compact & portable design – Easy transport and setup in tight areas✅ UV-LED cold curing – No heat risk, energy-efficient operation✅ Fast installation – Reduced downtime compared to steam curing✅ High-quality resin liner – Durable, seamless pipe renewal Why UV CIPP Was the Best Choice No Excavation Needed – Avoided road closures and property damage. Precision Curing – UV-LED technology ensured even hardening without wrinkles. Eco-Friendly – Low emissions, no wastewater discharge vs. traditional methods. Long-Term Performance – The glass fiber resin liner resists corrosion and cracks. Customer Satisfaction The asset owners and contractors praised the results: Smooth, jointless pipe interior with no leaks Minimal disruption to surrounding areas Cost savings vs. dig-and-replace methods Daoyunai’s Mini LED UV CIPP System: Ideal for Small-Diameter Sewers This Suzhou case proves that UV trenchless repair is ideal for: Municipal sewer networks (DN100-DN250) Villages, historic areas, and narrow urban spaces Emergency repairs requiring fast turnaround Technical Advantages of Daoyunai’s Equipment ✔ Lightweight & portable – Fits where large rigs can’t✔ UV-LED efficiency – Lower power demand vs. mercury lamps✔ Real-time monitoring – Ensures proper curing✔ Customizable liners – For bends and varying pipe lengths Conclusion: The Future of Small-Pipe Rehabilitation is UV CIPP This Suzhou UV liner installation showcases how Daoyunai’s Mini LED UV CIPP technology delivers faster, cleaner, and more sustainable sewer repairs in constrained environments. Need a trenchless solution for small-diameter pipes?
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WHAT CUSTOMERS SAYS
John
DaoYunAi company's products and technological services are truly exceptional. Their innovative approach to technology solutions sets them apart in the industry. The quality of their products is outstanding, delivering cutting-edge solutions that meet the highest standards. Additionally, their dedication to customer service is commendable.
Lily
DAO is my supplier for over five years. Its UV cure system and liner, its CCTV crawler are my great tools to finish trenchless repair underground pipelines. DAO, Amazing! Lily Zhang
Dongzhen
I have been dealing with Daoyunai company for underground pipeline trenchless repair for almost seven years. I am the distributor in Jiangxi province. DAO always gives me support to win customers. Win-Win!! Dongzhen
Ali
It is very nice to do business with DAO and also Aaron is very helpful. DAO UV liner is very good, stable and fast to cure. I hope to visit your factory in 2023. Ali
Johnny
DAO is a very trustworthy company, I like it. Its UV cure system is very easy to operate, and its liner is pretty good. Aaron is very active. I like them. Johnny
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