Zhuzhou CRRC Times Electric's independent FAO (that is, fully automatic operation system) signal system, the model is SAFER -UC3000.It marks that CRRC has officially joined the "fully automatic" era of urban rail, and has the ability to provide more comprehensive urban rail traffic signal system solutions for the world.At the same time, the ATP and OC subsystems of the SAFER-UC4000 TACS system (autonomous train operation system based on vehicle-vehicle communication) independently developed by the company successfully passed the safety assessment of the international authority "TUVNORD" and obtained the safety integrity level SIL4 certification.It has also become a Chinese enterprise participating in the formulation of the FAO international standard IEC62290.