How long does the Xuzhou elevator engineer exam take?

Once every six months.

Elevator engineering technology mainly studies basic knowledge and skills in microcontroller and PLC technology, elevator structure and principles, motors and drag, elevator electrical control technology, etc., and conducts elevator manufacturing and installation in the field of elevator engineering technology. Maintenance, usage management, supervision and testing, etc.

Elevators can be divided into the following categories according to different uses: passenger elevators, residential elevators, sightseeing elevators, freight elevators, passenger and freight elevators, medical elevators, service elevators, vehicle elevators, escalators and others of some elevators. Made great contributions to mankind.