1. China Electric Power Planning & Engineering Institute Beijing,International Energy Consultancy Department,China
2. STATE GRID Brazil Holding S.A.,Engineering Technology Department,Rio de Janeiro,Brazil
3. STATE GRID Brazil Holding S.A.,Engineering Department,Rio de Janeiro,Brazil
4. STATE GRID International Development CO. LTD,UHV Department,Beijing,China zhou
5. STATE GRID International Development CO. LTD,Beijing,China
6. China Southern Power Grid Co., Ltd,Guangzhou,China