1 Hoisting Mechanism
Three-gear speed modulation by electrical motor or frequency conversion, giant winch.

2 Rotation Mechanism
Speed modulation with frequency conversion, stable break, accurate position, outstanding on performance and operation all around the world.

3 Luffing Mechanism
Speed modulation with frequency conversion, less concussion, stable operation.

4 Control System
PLC control, auto diagnosis on electric malfunction, corresponding alarm on light and sound, key components adopting international top brand product.

5 Security & Protection Mechanism
Besides security mechanism usually used in domestic tower crane adopted, Zoomlion tower crane adopted lots of advanced mechanism self-developed by Zoomlion, to keep the security of the tower crane and convenient operation, such as unique double tighten mechanism on luffing steel cable, anti-break mechanism on sliding vehicle, anti-drop mechanism on standard section, speedy link between rotary body, hoisting boom and balance boom.

6 Structure
Through advenced design, mechanical-electrical integration design, CAD supporting design, optimization design, modularization design, makes Zoomlion tower crane's steel structure haveing outstanding intensity, firmness and anti-fatigue capability, outstanding performance and reliability. With beautiful profile, it embodies the design standard of Zoomlion.