Tower crane 450K20 (7050) is a self-telescoping, top slewing and trolleying on horizontal jib tower crane, which is developed by our company combined with international advanced technology in the industry. 

For detailed specifications, please see following: 

Max load: 20t 
Tip load: 5.0t 
Free standing height: 78.9m 
Max working range: 70m 
Mast section dimension: 2.5*2.5*6m 

We adopt splited mast section for saving buyer's transportation cost. The tower crane has excellent performance and be equipped with complete safety devices, easy to install and disassemble. It has three working types including stationery, travelling and climbing. If you are interested in, please contact me for more details, thanks. Any inquiry will be replied to you within two working days.