drilling rig,Drilling Rig,30,40,50,70,90DBS,drill rig,factory price,09new style,tech from USAJan 06, 2013
... for collecting, display, storing, printing and transfer of drilling parameters, and the function of multi-points monitoring and ... explosion proof (certificated). The drillers can fitful all drilling operation parameter setting on the operating chair, the operation ... driveElectric control modeAC-DC-ACone to one drilling rig,rig, drilling equipment drill rig,drilling machine ,oil rig,oil equipment, rig ...