
Good Price 330m Diesel Hydraulic Portable Water Well Drilling Rig Water Underground Tunnel Drilling Machine. Max Drilling Depth: Capable of drilling up to 330 meters deep for water wells and geological exploration. Versatile Drilling Methods: Supports rotary, mud drilling, and DTH hammer methods for various geological formations. High Mobility Chassis: Features an excavator crawler chassis with high off-road performance and truck installation option. Efficient Slag Discharge: DTH hammer technology offers slag discharge efficiency ten times higher than traditional rotary drilling. Wide Drilling Diameter Range: Drill hole diameter ranges from 105mm to 305mm to suit different project requirements. One-Year Warranty: Comes with a 1-year warranty covering all damaged accessories with free replacement. OEM Service Available: Accepts all OEM orders with custom design support and sample production. ISO Certified Quality: Manufactured under ISO9001:2015, ISO4001:2018, and ISO14001 management systems.