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
Quiet and high-efficiency generator for municipal contractors CIPP D45 generator is especially for municipal contractors, which has low noise, and high efficiency. 100L diesel can work about 10 hours. This is ... Read More
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
Necessary product for underground pipeline repair construction work of CIPP UV 1. the repaired pipeline structure meets or exceeds the strength, stability, and deformation requirements 2. after repair, the ... Read More
CCTV video inspection product-the efficient and fast tool for contractors CIPP in-situ curing method is an underground pipeline repair process in the trenchless industry. It originated in the UK in the 1970s. ... Read More
CCTV pipeline video inspection system for the municipal assets in rural and urban areas CCTV pipeline inspection technology is an efficient inspection method. When it is applied to the pipeline inspection of ... Read More
Protective bottom film installing for trenchless pipeline CIPP repair construction Protective bottom film for UV trenchless operation The protective bottom film plays a role in protecting the lining hose, ... Read More
