Overview: Rotary Drilling Rig is a self-running ground drilling equipment, including drilling rig and crawler car, which completes the drilling through the rotation, excavation, lifting, soil unloading of drill. It plays a vital role in varied foundation works of industrial infrastructure, such as concrete pouring pile, continuous wall. Application: Widely used for drilling and grouting in urban high-rise buildings, railways, highways, bridges, tunnels, airports, ports and other pile foundation engineering. Features: Diesel powered with higher work efficiency; Highly integrated body without installation; Can freely rotate to 360and move easily; No dust and mud pollution while high-speed drilling.