Where can I complain about the elevator freight elevator without an electric fan?

Complain to the property department of the housing management department, and complain to the special bureau (department, branch) of the Quality Supervision Bureau.

1, complain to the property management department. Elevator freight elevator belongs to property management. If you don't use an electric fan, you can complain to the property.

2, to the special quality supervision bureau (department, department) complaints. If there is a property supervised by the Supervision Bureau, you can complain by phone or directly to the work office.