1) adopts internationally advanced technology 2) ingenuous structure, good walk and belt, fine appearance, smooth moving, easy to maintain 3) it provides a brightness and comfort to passengers and brings charm and luxury for modern buildings 4) widely used in various public places such as large stores, passenger stations, ports, shopping centers, recreational centers and exhibition halls 5) solid construction, aesthetic design 6) highly economical 7) being applicable for different environment 7) quiet and steady operation