ApplicationHXY-2000 rock core and drilling machine is mainly used for deep core drilling of Diamond and hard alloy,Website:http://www.rejeedrilling.com, with strong torque of 10,000 Nm and max depth 2,500 meters. It can also be used for the projects of geological investigation,piling construction, natural gas and Hydrographic well exploration, etc.Features1. The vertical shaft has many rotating ...