1. State Grid Luoyang Electric Power Supply Company,Communication & Information Center,Luoyang,P. R. C
2. State Grid Henan Information & Telecommunication Company,Data Management Center,Zhengzhou,P. R. C
3. State Grid Luoyang Electric Power, Supply Company,Operation & maintenance Department,Luoyang,P. R. C
4. State Grid Luoyang Electric Power Supply Company,Substation operation & maintenance center,Luoyang,P. R. C
5. Zhengzhou University,College of Electrical Engineering,Zhengzhou,P. R. C