HZ200 Geological Soil Testing Drilling Rig Machine For Rock Testing Feature : 1. It adopts 53x59 hexagonal active drill pipe, which has strong rigidity and large transmission torque; 2. This machine adopts the ... Read More
ST 450 Meters Deep Water Well Pneumatic Drilling Machine ST 450 Meters Pneumatic Drilling Machine Introduction ST 450 Meters Hydraulic Crawler Drilling Machine is mainly used to drilling wells,irrigation wells... Read More