Strategic partner

Global series

Exhibitor List

Country China
Products Pipes and pipe fittings
Maintenance and Cleaning
Hall W4
Booth G30
Introduction Daoyunai Energy Saving Technology Limited is a high-tech enterprise that integrates research and development, design, production, and sales of municipal pipeline non excavation repair equipment and materials, as well as pipeline inspection robots.
Daoyunai was established in 2012 in Shanghai, with more than 20 patents and certificates. We have two intelligent manufacturing bases and modern R&D and testing centers in Suqian, Jiangsu province, covering an area of more than 40000 square meters. Now we have sold more than 150 sets of the UV equipment, and more than 1000km of UV liners.


UV cure equipment D919 for CIPP trenchless no-digging repair
DN200-1650 has many options, a container for van, or a special engineering vehicle, a true dual light sources integrated machine, which means the controller automatically adapts to the LED source and high voltage mercury lamp, with excellent curing effect.
UV Liner
The UV curing liner for DN150-2000 uses unsaturated polyester resin and glass fiber of high-strength , which is convenient for construction and has strong adhesion and tensile strength, at any required length and thickness.
CCTV Crawler
CCTV pipeline inspection robots D18 and D18S are durable, adaptable, easy to operate, reliable and stable in operation, equipped with high-definition cameras, intelligent computer operation, waterproof and dust-proof. QV D16s is portable for quick view of the internal situation.

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