Video Words from HDD Machine Customer

Praise from the UAE Placing Boom Customer

“ It’s glad to find a Chinese company we can really tru […]

Praise from Indian HDD Customer

“ We choose ZLCONN HDD machine first because of the com […]

Praise from BD HDD Customer

“ Before we choose ZLCONN HDD machine, we were hesitate […]

What are the basic types of tunnel linings?

First, the semi-lining structure: In the hard rock laye […]

One Belt and One Road – New Stage for China Construction Machinery

In September and October of 2013, President Xi Jinping […]

Non-dig technology has become one of the government-supported high-tech industries

Although the domestic non-excavation industry has been […]

Key Technologies for Underground Space Engineering of Tunnels Crossing Metros

With the rapid development of subway construction, how […]

Digital Tunnel and Smart Tunnel–The Development Direction of Tunnel Construction Information Technology

In the construction of tunnels, the main factor that re […]

9 Things You Need to Prepare to Start A HDD Machine Drilling Project

This is an article to prepare knowledge for these HDD m […]