Description: Moveable spiral arm crane is a light, small type crane which is installed on the moveable base, it can lifting heavies in some non-fixed places such as workshops or storages and so on. The moving of this crane can be divided into two kinds: turning of spiral arm has two kinds---manual and electric.

1, the power of cranes is three-phase-current,380V,50Hz
2, the altitude of crane’s installation site is not more than 2000m
3, non inflammable, explosive and corrosive gas in the crane’s working environment
4, not allow lift molten metal, poison, inflammables and explosives
5, While ordering or signing contract, we  should write basic parameters(rated weight, lifting height, effectively radius and so on) in detail so that provide customers suitable product.