http://www.xzhtest.com/China Power Cable test Van About US Xi'an Xu & Hui Electromechanical Technology Co., Ltd. is located in the Eastern development zone of with 13 dynasties for about 2000 years successively in Chinese history with convenient transport access to the world.Xu & Hui Co.,ltd. Is a manufacturer integrating the research & development into one bodyin producing the transformer experiment tester series, power cable diagnostic detector seires, mutual inductor detector series,HV Circuit breaker testing instruments， Protective relay calibra
