Rotary Drilling Rig, Cfa Drilling Rig, Bore Pile Drilling Rig manufacturer / supplier in China, offering Durable SDLQ LQR-130S Hydraulic Pile Driver from China, SDLQ LQR-130S Hydraulic Rotary Drilling Rig - 30m Depth, 31T Self Weight, 2000mm Diameter - Low Noise for Municipal Projects, SDLQ LQR-130S Rotary Drilling Rig with Retractable Chassis - 30m Depth, 31T, 2000mm Bore - High Stability for Urban Construction and so on.