Model NO.: GP75 GP90-1 GP90-2 GP90-3 GP90-6 Condition: New Name: All Hydraulic Diamond Core Drilling Rig(Gpz Model) Model: Gpgp75 Gp90-1 Gp90-2 Gp90-3 Gp90-6 Drilling Depth: 0-1200m Drilling Diameter: 36-95mm