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Daoyunai Energy Saving Technology Limited

Committed to underground pipeline CIPP and CCTV

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Trenchless Pipeline Construction

Certification
China Daoyunai Energy Saving Technology Limited certification
China Daoyunai Energy Saving Technology Limited certification
Customer Reviews
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

—— Ali

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Trenchless Pipeline Construction

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China Cast Iron Trenchless Drain Pipe Repair Inspection Cable Tray Reciprocating Shaft Pin factory

Cast Iron Trenchless Drain Pipe Repair Inspection Cable Tray Reciprocating Shaft Pin

Pipeline inspection and repair equipment cable tray reciprocating shaft pin Daoyunai has an area of more than 35000 square meters as the manufacturing base and R&D and testing center in Suqian City, Jiangsu ... Read More
2022-08-03 11:42:27
China UV CIPP Trenchless Pipeline Construction Special Rope Guide Underground factory

UV CIPP Trenchless Pipeline Construction Special Rope Guide Underground

Special rope guide frame for trenchless repair of UV CIPP curing pipeline Daoyunai company culture: Vision: build green hills and blue waters with smooth pipelines, to be the brand that is Intelligently and ... Read More
2022-08-03 11:41:32
China Underground Trenchless Pipeline Construction Machine UV CIPP Sewage Network factory

Underground Trenchless Pipeline Construction Machine UV CIPP Sewage Network

UV CIPP trenchless construction work for repairing underground sewage network CIPP UV curing 1) Set repair parameters, repair pipe diameter, repair material wall thickness, and number of UV lamp sections on the ... Read More
2022-08-03 09:33:27
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