41m main arm, lifting height of 40.7m, lifting arm section increased by 10%, carrying capacity is stronger, optimize the matching technology of the whole machine, the performance of the middle and long arm to the longest main arm is more powerful, super extreme working condition - 41m arm length, 32m amplitude, lifting weight 0.8t; Multi-stage buffer control patented technology, more accurate rotation control, more stable control; Integrated control panel, higher reliability, more efficient human-machine interaction.