1. Feature: DHS series electric hoist keeps the features of chain hoist's light and convenient and improves the disadvantages of chain hoist, such as manual operation and the slow lifting speed. It integrates the superiorities of electric and chain hoist: Compact structure, light weight, high efficiency, convenient use, simple maintenances. 2. Sphere of application It could be used in loading and unloading goods in slow speed and short trip, installing equipments in mines and project construction, etc. It is safe, reliable and you can rest assured to use.