2) The control system must be a microcomputer control;
3) The scalable function must be available;
4) The latest elevator standard in China must meet China's latest elevator standard GB 758822003;
5) Can be rescued without the equipment room without the power outage;
6) Must be a small machine room or an elevator. This is because energy-saving elevators need to include land construction costs in addition to their own energy-saving, and small machine room elevators can save design time, saving civil construction time and civil engineering costs and inhalaining elevators can save more.
7) Energy-saving elevator also requires low maintenance cost, convenient maintenance;
8) Energy saving elevator has mature technology and intellectual property rights