
Diamond Core Water Well Drilling Rig Portable Surface Drilling Machine. Oil Pressure Feeding: Automatic feeding mechanism improves efficiency and reduces labor intensity. No-Stop Reversing: Ball clamp mechanism allows safe, easy, and reliable no-stop reversing. Patent Clutch Technology: Taper clutch offers large transmission torque and maintenance-free operation. Double-Sided Star Wheel: Hoist retainer structure withstands strong impact in complex geological conditions. Customizable Voltage: Voltage can be customized according to customer requirements. OEM Service Available: Professional design team welcomes OEM orders with flexible customization. ISO 9001 Certified: Products passed ISO9001:2000 quality system certification. One Year Warranty: Comprehensive one-year warranty covers the machine with technical support.