1. State Grid Information & Telecommunication Co., Ltd., China and
State Grid Cyber Security Technology (Beijing) Co., Ltd., China
2. State Grid Smart Grid Research Institute Co., Ltd., China and
State Grid Laboratory of Power cyber-Security Protection and Monitoring Technology, China
3. State Grid Hebei Electric Power Co., Ltd., China
4. State Grid Fujian Electric Power Co., Ltd., China and
State Grid Fujian Information & Telecommunication Company, China