GENEVA, May 10 -- ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID (3/F of Building J3 and 3/F, 4/F, 5/F of Building J1No. 11 Kexiang Road, Science Park, Luogang DistrictGuangzhou, Guangdong 510663), 南方电网科学研究院有限责任公司 (中国广东省广州市萝岗区科学城科翔路11号J1栋3、4、5楼及J3栋3楼), CSG GUANGDONG POWER GRID CORPORATION DONGGUAN POWER SUPPLY BUREAU (Rooms 606-609, Office Complex BuildingNo. 757 Dongfeng East Road, Yuexiu DistrictGuangzhou, Guangdong 510030), 广东电&...