| SD System Co., Ltd. engages in the manufacture and development of toll collection system. It operates through the following businesses: Toll Collection System, Electronic Toll Collection System, Urban Traffic Management System, Freeway Traffic Management System, Parking Management System, Parking Lot Operation Management Service, On Board Unit, Intelligent Building System, Living Comfort Control System, Display (Image) Control System, Proposals, Designs, Constructions, and Installation, and Maintenance. The Toll Collection System offers highway ticket issuing machine, external terminal smartcard reader and writer, lane controller, ticket checker, receipt printer, and operating unit machine. |
