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SDLQ High torque crawler rotary drilling rig/high efficiency/energy saving/pile foundation engineering rotary drilling rig/360° rotation LQR-135 Bore Rig, Find Details and Price about Drilling Rig borehole drilling rig from SDLQ High torque crawler rotary drilling rig/high efficiency/energy saving/pile foundation engineering rotary drilling rig/360° rotation LQR-135 Bore Rig - Shandong Liqiang Machinery Co., Ltd