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
Fiberglass pre-impregnated resin for underground sewer by CIPP no excavation How to install the packer? Protect the stainless steel binding head with a film to avoid contact with the resin. To ensure the ... Read More
Underground pipeline packer for patch repair carrier the resin and the fiberglass It is used together with patch material: resin and fiberglass, to carry them to the location and then finish the patch repair. ... Read More
Stainless steel packer for blowing pipe during trenchless CIPP DAO also supplies UV cure system components for different users. Stainless steel packers are the key unit to cure liner during the process. Blowing ... Read More
