Core Drilling Rig, Water Well Drilling Rig, Hydraulic Drilling Rig manufacturer / supplier in China, offering 30cbm/H Hbt30 Diesel Concrete Pump Mini Concrete Pump Trailer, 180m 220m 260m 300m 500m Depth Crawler Pneumatic Rotary Blasting Borehole Core Portable Water Well Drill Drilling Rig for Rock/Mountain/Mining Area, Crawler Mounted Hydraulic Soil Testing/Geotechnical Engineering Investigation/Exploration Diamond Wire Line Drill Core Drilling Rig and so on.