4. Reliable security protection system: security control level and multi center electric detection system are set in car cab can forecast the work status of main components at any time.
5. Grab rotary system: grab rotary system can make relative boom rotary, under the conditions that the chassis can not be moved, to complete the wall construction at any angle, which greatly improve the adaptability of equipment.
6. Advance-performance chassis and comfortable operation system: using special chassis of Caterpillar, valve, pump and motor of Rexroth, with advanced performance and easy operation. The car cab has set air-conditioning, stereo, full adjustable driver seat, with features of easy operation and comfort.