1. State Grid Shandong Integrated Energy Services Co., Ltd.,Jinan,China
2. Jiangsu Fangtian Electric Power Technology Co., Ltd.,Nanjing,China
3. National Grid Power Science Research Institute (NGPSRI) Wuhan Energy Efficiency Evaluation Limited Company,Wuhan,China
4. Beijing Zhongdian Feihua Communication Co., Ltd.,Nanjing,China
5. China Electric Power Research Institute,Beijing,China