1. Capacity from 1ton to 80ton; 2. Lifting height from 6m to 100m; 3. Lifting speed is double speed or frequency inverter control; 4. Traveling speed is controlled by frequency inverter. 5. Working duty class are FEM 2m, 3m; 6. Working environment temperature: -25~+42 certigrade; 7. Working elevation: within 1000m; 8. Low working noise;
