150m Depth Geotechnical Portable Drilling Rig Machine / Rotary Drilling Rig Function: 1. Core drill and sampling such as soil investigation, shallow depth mineral exploration 2. Small diameter bore hole such as ... Διαβάστε περισσότερα
Shallow Small Drilling Rig for Quarry Borehole Core Drilling GY150 series drilling rig Description: Multiple revolving speed grades with large torque meets different project need. 2-wheels trailer, portable, ... Διαβάστε περισσότερα
