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Daoyunai Energy Saving Technology Limited

Committed to underground pipeline CIPP and CCTV
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UV CIPP Equipment (33)
UV Cured CIPP (14)
UV CIPP Lining (25)
CCTV Pipe Crawler (18)
Sewer Pole Camera (3)
CIPP Water Inversion (5)
CIPP Patch Repair (3)
Trenchless Sewer Repair (2)
Trenchless Pipeline Construction (5)
Trenchless Technology Training (5)
Pipe Packer (0)
Water Jet Cleaning Nozzle (1)
Trenchless Equipment Rental (2)
Inflatable Pipe Plug (2)
Drain Pumps (2)
Certification
China Daoyunai Energy Saving Technology Limited certification
China Daoyunai Energy Saving Technology Limited certification
Customer Reviews
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

—— Johnny

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buy Repair UV CIPP Lining Sewer Cure Drain CIPP Liner Material online manufacturer

Repair UV CIPP Lining Sewer Cure Drain CIPP Liner Material
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Sewer cure lining materials for custom made types for different requirements DAO lining materials are designed to restore municipal and commercial sewer networks via no-dig ways. DAO can provide liner sizes ... Read More
2025-03-17 11:23:25
buy Wet Out UV CIPP Lining Trenchless Lining Material online manufacturer

Wet Out UV CIPP Lining Trenchless Lining Material
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Lining material for pipe renewal and renovation via CIPP trenchless technology UV lining material characteristics 1. After repair, there is no joint in the pipe, the overall thickness is uniform, the surface is ... Read More
2025-04-16 10:05:59
buy Blowing Hose UV CIPP Equipment Trenchless Lining Technology Repair Sewers online manufacturer

Blowing Hose UV CIPP Equipment Trenchless Lining Technology Repair Sewers
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Blowing hose for UV CIPP cure equipment used for trenchless repair sewers Turn on the blower and gradually increase the power of the blower to make the hose expand and fully open to ensure that it will not ... Read More
2024-08-26 09:37:37
buy Sewer Cured In Place UV Cured CIPP Liner Wet Material Raw Contractors Underground No Digging online manufacturer

Sewer Cured In Place UV Cured CIPP Liner Wet Material Raw Contractors Underground No Digging
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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
2022-11-03 10:21:17
buy Zero Dig Trenchless Pipe Repair Equipment Large Diameter Municipal Sewer Rehab online manufacturer

Zero Dig Trenchless Pipe Repair Equipment Large Diameter Municipal Sewer Rehab
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Large diameter municipal sewer trenchless No-Dig rehab by CIPP UV technology Preparation of UV curing construction instructions: The drainage pipeline is gravity flow. The upstream (the front section in the ... Read More
2022-08-03 09:39:15
buy UV Pipe Lining Coating Sewer Inner Repair Sewer Liner CIPP Process No Dig online manufacturer

UV Pipe Lining Coating Sewer Inner Repair Sewer Liner CIPP Process No Dig
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UV light curing inner repair sewer liner by CIPP process no need digging The UV light curing inner repair liner (hereinafter referred to as the liner) comprises the inner membrane, resin-impregnated glass fiber... Read More
2024-11-04 08:47:54
buy Drain Sewer Pipe CIPP Spot Repair Underground No Dig Resin Fiberglass Patch Repair online manufacturer

Drain Sewer Pipe CIPP Spot Repair Underground No Dig Resin Fiberglass Patch Repair
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Resin and Fiberglass patch repair for underground pipe without digging Product moisture content 0 weight variation coefficient per unit area 3% Corrosion-resistant, suitable for all kinds of pipes. No volatile ... Read More
2022-08-03 09:31:18
buy 50 Years Lifespan UV LED Cured Repair Lining 8”To 64”System With One Year Warranty online manufacturer

50 Years Lifespan UV LED Cured Repair Lining 8”To 64”System With One Year Warranty
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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
2025-03-10 13:41:25
buy Super large UV liner DN1650 by 65m length was installed in Qingdao Shandong online manufacturer

Super large UV liner DN1650 by 65m length was installed in Qingdao Shandong
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Product Description:Our Trenchless Pipeline Construction product is designed to cater to the needs of customers with DN1650 diameter pipes. With a lifespan of 50 years, our product is a long-term investment ... Read More
2025-03-19 19:14:33
buy UV Sewer Lining Ultraviolet Curing Process Trenchless Water Line Repair Urban DN740 online manufacturer

UV Sewer Lining Ultraviolet Curing Process Trenchless Water Line Repair Urban DN740
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CIPP UV construction for urban pipeline repair via trenchless renovation UV curing repair material selection: The structure of all imported glass fiber + resin used for UV curing is divided from outside to ... Read More
2024-10-31 17:16:31
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