TPY-30 Shallow Well Hole Drilling Rig Machine

Glad to know you're sourcing core, anchor, engineering, tunnel, water well drilling rig. Could you pls tell me how depth you need ? what's the max & min drilling diameter ? to drill what ? we supply : (1) core drilling rig: xy-2, xy-3, xy-8, xy-44a, tpy-30, wpy-30, gx-100, xyc-200… (2) anchor drilling rig: mgj-50, mgy-80, mgq-30, mdl… (3) engineering drilling rig: gq-10, gq-20… (4) tunnel drilling rig: kdj-200, kdy-30… (5) water well drilling rig: gd-100, jdl-300… (6) multipurpose drilling rig: gxy-100,