Elevator maintenance costs 4,000 yuan each, and the maintenance fund can be used. According to the property management regulations, if the maintenance cost is less than 4000 yuan, the public income will be used (managed by the industry Committee), and the maintenance fund will be started if it exceeds. As the elevator owner, the property shall be responsible for the declaration of the elevator maintenance fund. Elevator refers to power-driven, using box running along rigid guide rails or steps running along fixed lines.