For example, 20 120300 10002, 20 12 is the date, 0300 1 is the floor number plus the room number, and 002 is the location.

The school, formerly known as Chengdu Institute of Telecommunications Engineering, was formed by the merger of Jiaotong University (now Shanghai Jiaotong University and Xi Jiaotong University), Nanjing Institute of Technology (now Southeast University) and South China University of Technology (now South China University of Technology). 1956. 1960 is listed as a national key institution of higher learning; 196 1 year was identified as one of the seven national defense industrial colleges; 1988 was renamed University of Electronic Science and Technology of China.