DAO is a very trustworthy company, I like it. Its UV cure system is very easy to operate, and its liner is pretty good.
DAO is my great partner.
Johnny
—— Johnny
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
Wet liner for CIPP UV renovation of underground pipes by no digging method Pull the lamp rope with the reserved rope The reserved rope and the pull light rope shall be connected with a dead buckle to ensure ... Read More
Raw material for sewers renewal construction by the trenchless technology Notes on construction: In some pipelines, there will be accumulated water that cannot be treated cleanly. The material head must be ... Read More
Material for municipal pipelines maintenance and service and assessment Key items for UV cured CIPP operation and construction: Inner layer breakage The inner layer of the UV curing repair material is a plastic ... Read More
UV CIPP (Cured-In-Place-Pipe) manufactured for city pipe repair without digging Regulations on fixing the bottom film: The width of the bottom membrane shall be greater than 1/3 of the circumference of the ... Read More
Integrated CIPP UV repair equipment for private households and public pipelines Pulling CIPP UV liner into the pipeline 1. Place the hoist on the wellhead to align the reel with the guide wheel, and the ... Read More
UV CIPP cure trenchless construction site management for municipal sewer repair The construction site management regulations require that the construction site should be kept clean, the materials should be ... Read More
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
Materials for CIPP installation program in underground space management Necessary tools for UV CIPP cure trenchless operation 1. One winch with a capacity of more than 3 tons, including a steel wire rope of ... Read More
UV CIPP lining of different sizes used for municipal pipes trenchless repair A key step in UV curing construction: inflation and pressure. Before inflation, check whether the pressure detection equipment is ... Read More
Product Description: UV Cured CIPP is a revolutionary method of repairing and restoring underground pipelines and sewers using the latest LED technology and CIPP materials. This method is highly durable, with ... Read More
