1. Creative new design of flexible handrail inlet, slide type floating lip with smooth running when touching, decreases the possibility of accident. 2. Wondering positioning of middle comb plate, separate hard connection of movable comb plate, leave movable comb plate easily move smoothly while objects are caught in between the comb and step, with better safety. 3. Big diameter design of 75 mm for step roller and step chain roller, effectively reduce the roller pressure and have long service life. 4. When some defect takes place, the Trouble Code will be displayed in the Defect Screen. It ensures the effective and accurate trouble position within the shortest time possible. In this way, it greatly enhances the repair and maintenance efficiency. 5. Ergonomically high rigidity balustrade: Balustrade with big evenly height of 1000 mm in whole length, greatly enhances the safety, new design of fixing device for safety glass, effectively enhances the balustrade stabilization.