Introdution

Two double-deck elevators in the shaft of a vertically connected to the elevator to operate simultaneously, depending on the type of operation to improve the transportation capacity factor of 1.8 is the system. THE EL 600D was developed in the modern world-class double-deck high strength chain drive system in a way no-slip, the exact alignment device that can be controlled interlayer price (Floor Distance Adjustable Device) interlayer using a non-uniform building heights can be used in