Rotary piling rig Shandong Hongda Group,Laiyang City,Shandong Province HDR200 piling rig Engine--imported original AMRICA CUMMI Rotary piling rigMain technical parameters Max. drilling torque 200 kN ... from HEBEI LANGFANG PROSPECTING MACHINERY INSTITUTE.12Electric control systemimported original piling rig special controller,indicator,and sensor from GERMANY REXROTH, other electric ...