A total length of Ankara-Istanbul high-speed railway is 533km, the design speed of 250km, SIFANG have provided EMS in remote control center located in ESKIEHIR,a full set of protection and automation devices of 31 switching stations and 7 traction substations connected including KARAG?ZLER、KARAK?Y、OSMANEL?、KALBURCU、SAPANCA、ARIFIYE and OSMANELI in the project. Ankara-Istanbul high-speed railway project has been successfully put into operation and ensured the smooth opening of the high-speed railway.