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
Hot water cure and inversion material for underground pipes repair NO Digging The hot water cure liner trenchless repair construction process is mainly divided into two parts: Material Factory fabrication and ... Read More
Water gravity inverting liner for municipal sewer repair by trenchless CIPP The CIPP construction process of trenchless repair of hot water solidified drainage pipeline: 1. First, the sewage treatment plant ... Read More
CIPP impregnation facility platform to mix hot-water curing liner with resin The CIPP impregnation platform is mainly used to mix the hot-water liner with resin for the trenchless repair of drainage pipes. The ... Read More
CIPP sewer trenchless repair material for hot water cure and water inversion CIPP inversion trenchless repair technology with hot water heating and cure A Trenchless Pipeline Repair Method in which the felts ... Read More
CIPP hot-water cure liner for underground pipe trenchless repair from DN200-1800 CIPP hot-water cure liner is used for the inversion process by water gravity, it can be applied to the renovation and repair of ... Read More
