1. State Grid HeiLongJiang Electric Power Research Institute, State Grid HeiLongJiang Electric Power Company Limited,Harbin,China
2. China Electric Power Research Institute, State Grid Corporation of China,Beijing,China
3. State Grid Qiqihar Power Supply Company, State Grid HeiLongJiang Electric Power Company Limited,Harbin,China
4. State Grid Harbin Power Supply Company, State Grid HeiLongJiang Electric Power Company Limited,Harbin,China