Video: Customers love ZLCONN 45T HDD Machine in rock drilling
z Customers love ZLCONN 45T HDD Machine in rock drilling Customers love ZLCONN 45T HDD Machine in rock drilling May, 2020 , ZLCONN 45T HDD Machine ZL430A is working in…
How to choose the right tricone bit for your rock HDD drilling
We will come across rock HDD drilling project time to time. There are so many kinds of tricone bits options. Which one should be right for us? Let ZLCONN introduce to you.Compress Strength <25mpa, Formation hardness: Very soft, Rock type: clay, silts, sands. Choose 111/124 tricone bit
2011 HDD machine industry insight 01- China HDD machine industry survey
Due to the impact of the economic situation, the sales of HDD machine in 2011 experienced two different stages of strong climb from January to April and subsequent decline. The…
To all HDD machine workers-2020 UK No-Dig Exhibition extended to 2021
To all HDD machine workers: according to the organizers of the No-Dig 2020 exhibition, the No-Dig Exhibition, which was originally scheduled to be held in the UK this year, will…