China railway letter business: IT mainly focuses on the distribution of it products and the research and development and sales of the group's own products, with extremely advantageous sales network and channel resources;
China Railway Information Operation and Maintenance: responsible for the operation and maintenance of the national railway information system;
China Railway Information System Integration: Its main business is railway information system construction with high reliability, safety and technical requirements.
China Railway Design Consulting: providing information system design consulting services such as system design, consulting and supervision services;
China Railway Information Security: It is our duty to provide customers with a reliable security barrier. Based on independent research and development, we have developed a series of unique information security products.
China Railway Technical Service: It has a nationwide service network, providing high-quality and high-standard technical support services for many well-known domestic and foreign manufacturers and end users.