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
Trenchless video inspection CCTV maintenance and illegal operation not allowed Maintenance When the product is not in use, please turn off the power and store the product in the designated packing box for ... Read More
Product Description: The CCTV crawler comes equipped with a high-definition camera that captures clear images and videos. The camera is mounted on a 4mm cable, allowing it to navigate through even the smallest ... Read More
CCTV pipeline inspection and repair equipment special fixing pin for the crawler The fixing pin is specially designed for CCTV pipe crawlers. DAO product range covers four series and more than 20 models in the ... Read More
D18s mini CCTV crawler video inspection system for underground municipal sewer Mini CCTV system is specifically designed for small pipes with diameters ranging from DN200 upto DN350. Narrow areas, households, ... Read More
Pipeline CCTV inspection equipment robot distribution box control box part The pictures and video data collected by CCTV pipeline inspection equipment will be interpreted by professional inspection engineers ... Read More
Product Description: The CCTV Pipe Crawler is an innovative sewer inspection product that helps detect and identify any potential problems in pipes. It features a super high light intensity HD camera with a 10... Read More
QV pipeline periscope is the portable and rapid video inspection equipment QV is widely used in our daily work. It is convenient to carry and easy to operate. One person can complete the operation, and can ... Read More
CCTV video inspection product-the efficient and fast tool for contractors CIPP in-situ curing method is an underground pipeline repair process in the trenchless industry. It originated in the UK in the 1970s. ... Read More
CCTV pipeline video inspection training for trenchless construction jobs Two common types of equipment for CCTV pipeline inspection It is mainly realized through QV pipeline periscope and CCTV crawler pipeline ... Read More
D18 CCTV pipe crawler video system for municipal pipeline diameter DN200-1200 DAO CCTV crawler is specially used for video inspection of municipal pipelines. The user can get a video of the internal situation ... Read More
