Rack and Pinion material hoist 1,CE certification 2,9m for one tie-in 3, ... 4,Lifting speed:0-63m/min Our rack and pinion hoist provide safe and speedy vertical transport of personnel and materials ... bracket braced up on the foundation and attached to the building and uses a rack to ascend, descend or stop at ... frequency conversion/BZ-medium-rate frequency conversion. Rack and Pinion material hoist