Group items tagged

In the past, we used traditional trenchless rehabilitation technology for pipeline rehabilitation, which is a construction method that needs to excavate the road surface. Then trenchless pipeline rehabilitation technology rose in developed countries in the 1970s, and then gradually formed an industry. Compared with the traditional pipeline rehabilitation technology, this technology has obvious advantages in ensuring the safety of pipelines, structures (buildings) around the project, and ensuring smooth traffic, which is attracting more and more attention from all countries.