SummaryYGSL-120 Track-type Multifunctional Drilling Rig is a dual-top drive power head drilling machine of tract chassis with full hydraulic drive .It extends the applied rang of construction. The rig is applied to the big tonnage stress anchoring hole for water power station, railway, highway, the high-pressure jet grouting hole in the gravel land and to the demolishing hole of construction. It is also used to drill small size water well and foundation pile holes, as well as drainage well.
