Lifting machinery refers to mechanical and electrical equipment used for vertical lifting or vertical lifting and horizontal movement of heavy objects,
and its scope is defined as elevators with a rated lifting capacity greater than or equal to 0.5t;
A tower crane with a rated lifting capacity greater than or equal to 3 tons (or a rated lifting torque greater than or equal to 40 tons · m,
or a loading and unloading bridge with a production rate greater than or equal to 300 tons/h) and a lifting height greater than or equal to 2 meters;
Mechanical parking equipment with 2 or more floors.





