GENEVA, May 11 -- DATANG NORTH CHINA ELECTRIC POWER TEST AND RESEARCH INSTITUTE (1515, 15th Floor, Building 1, Courtyard 6, Yinhe StreetShijingshan District, Beijing 100040), 中国大唐集团科学技术研究总院有限公司华北电力试验研究院 (中国北京市石景山区银河大街6号院1号楼15层1515), CHINA DATANG CORPORATION SCIENCE AND TECHNOLOGY GENERAL RESEARCH INSTITUTE (Room 409, Unit 2, Building 15, No.16 Yingcai North Third Street, Future Science CityChangping District, Beijing 102211), È...