200 meter deep mining drilling machine hydraulic drive Feature : 1. It adopts 53x59 hexagonal active drill pipe, which has strong rigidity and large ....
ST-200 Soil Testing Drilling Rig Machine for Mineral Prospecting Product Description: ST-200 is a core drilling rig for middle and shallow hole. It .....
Short Leading Time Soil Test Drilling Rig Machine for Core Borehole Sampling Product Feature: 1. Bore hole drilling machine water well drilling rig .....