It uses microcomputer control and advanced frequency-conversion driving technology. On the other hand, current national standard GB16899 safety rules for the construction and installation of escalators and passenger conveyors is conformed. This series is applicable for heavy-passenger-flow locations, such as shopping centers, supermarkets, subway stations, and airports. Features: 1) Solid construction, aesthetic design 2) Highly economical 3) Being applicable for different environment 4) Quiet and steady operation