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On March 2, Mr.Zhou Yongyan, deputy chief engineer and director of safety production department of Guangdong Power Grid Corporation, and other 4 leaders together came to EETI and carried out work investigation. Prof.Hu Delin, the president of EETI with his key technicians received the visitors and showed them around low voltage laboratory, large capacity laboratory and climate and environment laboratory etc. During the talk, both sides made exchange about operation control for testing laboratory, and current testing market and business of EETI. The visitors expressed that they were shcked to find such a spectacular testing laboratory in China and expected that two sides cooperate at moreaspects in the future.