Sixth, the maintenance and operation of the old building's elevators for a period of two years.

Operation and repair process excluding spare parts for elevator

Maintenance and operation of the old building's elevators for two years

Elevator maintenance process

Elevator efficiency improvement process

Supply, installation and operation of elevator

A maintenance contract was drawn up for two elevators

Elevator maintenance

Repair and replacement of elevator parts

Repair and maintenance work required for the elevator's electrical system