Which department should Xi 'an Elevator complain to?

Xi 'an Elevator Complaints Department is as follows:

1. Complaint from Quality Supervision Bureau: The elevator equipment management department is the Quality Supervision Bureau, and you can complain to the Quality Supervision Bureau.

2. Community Complaint: The community property has the management responsibility for the elevator, so you can complain to the community and ask which maintenance unit the elevator belongs to.

3. Complaints from the maintenance unit: For general elevators, the contact information of the maintenance party should be posted on the car wall, and you can contact the maintenance unit to complain.