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Customer Reviews

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.

—— John

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

—— Lily

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

—— Dongzhen

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

—— Ali

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

—— Johnny

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trenchless sewage system repair

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Trenchless CIPP Lining Water Inversion Through 90 Degrees Elbows Sewage System Repair
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CIPP lining water inversion through 90 degrees elbows for trenchless repair sewage Since the 1980s, the CIPP water inversion lining method has been widely used in the renovation of water supply and drainage, ... Read More

2022-11-25 09:43:56

Durable UV Curing CIPP Equipment Integral System for DN200-1500mm Pipes
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Product Description: The UV Curing Integral System represents a cutting-edge UV-Cured In Place Piping Apparatus designed for the efficient and effective repair of pipelines. As a state-of-the-art solution in ... Read More

2024-08-21 10:04:08

Underground Pipeline Trenchless Technology Training Construction CCTV Video Inspection
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CCTV pipeline video inspection training for trenchless construction jobs Two common types of equipment for CCTV pipeline inspection It is mainly realized through QV pipeline periscope and CCTV crawler pipeline ... Read More

2025-04-28 11:20:32

sewer UV CIPP Lining pipe curing Trenchless Repair In Rainwater Sewage Pipe Networks
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UV CIPP lining trenchless repair is used in rainwater and sewage pipe network UV curing CIPP lining trenchless repair is used in the renovation project of rainwater and sewage pipe network, rainwater and sewage ... Read More

2022-12-08 09:49:38

safety cured in place sewer lining cipp technology Non excavation liner
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The non-excavation liner of high strength and quality for UV trenchless curing sewers Classification: The first method is preventive repair and salvage repair according to the priority of repair time. ... Read More

2022-08-03 09:39:01

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