Praise from the UAE Placing Boom Customer
“ It’s glad to find a Chinese company we can really trust with. We purchased 5no.s at one time the 32m concrete placing boom. It is gorgeous! And the people…
Praise from Indian HDD Customer
“ We choose ZLCONN HDD machine first because of the competitive price. After using the machine for months, we introduce ZLCONN HDD machine to my friends because it’s good quality,…
Praise from BD HDD Customer
“ Before we choose ZLCONN HDD machine, we were hesitate, due to this is our first cooperation and my company is new in this field. After we received the machine…
Analysis of mud pump failure
Troubleshooting Guide for Mud Pump Failures 1. Failure to Start after Water Supply Reason Analysis: Presence of sand particles, cement agglomerates, and debris around the suction valve preventing proper closure.…
Horizontal Directional Drill Common Fails and solution
Efficient Troubleshooting in Directional Drilling In the realm of directional drilling, efficient troubleshooting is a cornerstone for uninterrupted operations. Categorized into mechanical, hydraulic, electrical, engine, and mud pump failures, addressing…
9 Things You Need to Prepare to Start A HDD Machine Drilling Project
This is an article to prepare knowledge for these HDD machine industry people who may want to invest a HDD machine or a HDD machine project to update their life but…
Discussion on Construction of Horizontal Directional Drill in Pebble
As we all know, horizontal directional drilling rigs are most difficult to construct in the pebble layer and crushed stone layer. The main reason is that it is difficult to…
One Belt and One Road – New Stage for China Construction Machinery
In September and October of 2013, President Xi Jinping proposed to build a top-level national strategy for the "Silk Road Economic Belt" and "21st Century Maritime Silk Road". This is…
Non-dig technology has become one of the government-supported high-tech industries
Although the domestic non-excavation industry has been implemented for more than a decade, most construction companies have also undergone long-term project construction practices, but are constrained by the constraints of…
Key Technologies for Underground Space Engineering of Tunnels Crossing Metros
With the rapid development of subway construction, how to ensure the safety of subway operations and make efficient use of land resources has become a major technical problem facing the…
Digital Tunnel and Smart Tunnel–The Development Direction of Tunnel Construction Information Technology
In the construction of tunnels, the main factor that restricts the safety of tunnel construction is extremely complex adverse geological conditions. In order to overcome such difficulties in construction, various…