SC50M construction lift is Rack and Pinion construction hoist, material lifts for building and also passenger lift. It is frequency conversion type, with speed 0-63m/min. Rack and pinion elevator widely applies to such contruction sites as industrial and civil architecture,bridge,underground,large chimney,and ship industry,etc. It suits the vertical transport of materials and personnels and also suits such different occasions as warehouses,high towers, etc.