... lowering 3. Single mast,6-12m height Mast lifting machineSingle mast aerial work platform--CE and ISO ... off function,and east to span common ground bars.----Lifting chain load safety factor more than 10:1, ... oblige.----Lift and fall roofs volume is small,weight is light,very flexible to move and very ... and wall0.220.220.220.300.300.340.34Machine-weight(kg) AC/DC300/327360/387360/387420/447460/487490/ ...