... 20(30)m/min2.Features:It's smalll lifting equipment with tight structure, small volume and light weight. ... .it is widely used in factories,mines,harbours,warehouse,cargo store areas and shops etc.4.Electric ... quality long time bearing polyurethane materials buffer.3 Crane traveling limit switch.Voltage lower protection function.Emergency ... 400v/415v/440v380V,50HZ/60HZ, Electric hoist crane equipment