... . 2.It's widely used for the drilling project in complex rock formation Drilling Rig XY-1 Drilling Rig is a multi-purpose ... , railway, bridge, port, harbor work, dam and tunnel; Small-diameter hole foundation piling drilling; Solid mineral exploration; Anchoring engineering for battered ... *1050*1150 mm8,Weight(not including power)350kg XY-1 rig/core drilling rig/rotary drill rig