Engineering Drill Rig Reverse Circulation , Skid Mounted Drilling Rig

Engineering Drill Rig Reverse Circulation , Skid Mounted Drilling Rig Quick Detail: 1. The new type drill unites the tower and machine body,the tower can directly pull down the steel cages 2. The drilling rig can be used not only in core drilling,bored construction pile, but also in water well.The Spindle I.D. is 78mm. 3. The drill can be used in drilling technologies of reverse circulation in the hard rock stratum and ground. Description: 1. XY-4-3A Drill is improved and