Daoyunai Energy Saving Technology Limited
Committed to underground pipeline CIPP and CCTV
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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 from DN200 to DN1800, with different thicknesses from 4mm to 16mm, which is for full structural or semi-structural rehab.
DAO is the factory, supplying and servicing the world directly.
DAO not only produces materials but also makes equipment for different requirements.
| Function | for CIPP-UV rehab |
| Method | by pulling by winch |
| Layers | 4 layers |
