... Brand, Famous Trademark of China 1. UsesHONGDA ZJ40 piling rig is an efficient boring rig in big-bore pile ... system 180KNDrawing force of pressurizing system 200KNPressurizing stroke 5000mmMax. driving speed 1.5km/hMax. climbing grade 40%Engine rated ... mobile, outside-climbing, inside-climbing, horizontal-jib, luffing-jib, hammer-head, flat-top, multi-speed, stepless-speed), Construction Elevators( ...