... Pull 17kN We're listed asNo.1 rock drills manufacturer in the world,No.3 screw air compressors ... face drill rigs in ChinaFeatures Aggregate Quarrying,Bluestone Quarrying,Limestone Quarrying,Marble Quarrying, Mining,including Coal Overburden Excavation, Crawler Mounted SMMEY130 ... greatly reducing the impact of the ground to the drilling rig Powerful motor driven,strong climbing ability,large ...