GENEVA, Feb. 1 -- SOUTHERN POWER GRID RESEARCH INSTITUTE CO., LTD (3rd, 4th, 5th Floors of Building J1 and 3rd Floor of Building J3 No. 11 Kexiang Road, Science City, Luogang DistrictGuangzhou, Guangdong 510700), 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), DONGGUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO., LTD (No. 239 Dongcheng Section, Dongcheng Road, Dongcheng StreetDongguan, Guangdong 523120), 广东电网有限...