Auto Escalator: Controlled by super CPU main board computer, realize live control operation, find out abnormal stop and record with error code automatically; Operation speed varies with traffic. The significant advantage is energy-saving, longer guarantee period and lower cost. The entrance is with brush making operation more safe; step roller with great diameter ensures the operation balanced and lower sound. Unique truss structure is strong, the perfect anti-corrosion presents best performance and longer guarantee life. It applies to in shopping mall, metro, airport, etc..