Chain Hoist Capacity:0.5ton Lifting speed:6.8m/min Voltage:200-700V Frequence:50Hz/s 1. Electric motor partial outer coverThey are made of high strength aluminum system through compression casting formation. Features: Solid and light, Fast release heat, Continuous use, Enclosed structure. Can be used in the chemical plants, electroplating factories, and other places. 2. Side kind brakingThis ...