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1. Shorter in height, which can reduce the height of the crane factory;
2. Lighter in weight, which can reduce the carrying capacity of the factory;
3. Fewer limits, which can increase the working space of the crane;
4. The hardened-gear speed reducer is adopted, which can effectively increase the lifespan of the entire machine;
5. The travelling mechanism adopts a three-in-one hardened-gear speed reducing motor, which has a more compact layout and a smoother operation;
6. By using forged wheel sets and machining boring assembly, the assembly precision is higher, and the product life cycle is longer;
7. The drum is made of steel sheets, so both the strength and lifespan of the drum are increased comprehensively;
8. A large number of machining equipment are used in the overall process, so that the structure is less deformed and the assembly precision is higher;
9. The main beam is assembled with the high-strength bolt, so the assembly precision is high and the transport is convenient;
10. The speed reducer, drum, coupling and other parts are maintenance-free within the overhaul period;
11. Speed controlled by frequency variation, so the operation is smoother;
12. Various protective devices are equipped.