Microcomputer relay protection calibrator suppliers About US Xi'an Xu Hui Electromechanical Technology Co., Ltd. is located in the Eastern development zone of Xi'an City, Shaanxi Province,China,. Xi’an, is reputed as the most time-honored city 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 calibration testing instruments series, Earth network testing instrumentand other HV detectors. Xu Hui company adhere to the "people-oriented, the pursuit of excellence" business philosophy, the "excellent quality, courteous service, customer first, integrity-based" principle, advocate "unity, pioneering, truth-seeking, innovative" spirit of enterprise.Xi’an Hui Electromechanical Science and technology limited company relies on Tsinghua University, Xi’an Electronic and Science ‍ University, Xi'an Jiao Tong University, Xi'an High voltage Electric Appliance Institute and Wuhan HV Electric Appliance Institute etc.to create one senior professional technical team, ensuring the total production no less than 2000 sets varieties of testing instruments per year. Xi'an Xu Hui Electromechanical Technology Co.,Ltd. is the quickly-growing up electrical enterprise in China market ,which has a great influence on the electric industry. Overseas sales volume of Xi'an Xu Hui Co.,ltd has occupied the 40% of total turnover, Cable locators,BDV oil testers etc. are successfully exported to Pakistan, Nepal,Laos,Ethiopia, Albania, Argentina, Ukraine, Belarus, Kazakhstan, Vietnam, Indonesia,Eastasia,Russia,Isreal,Austrilia and South America . At same time We authorize many distributors in other countries. Xi'an Xu Hui Electromechanical Technology Co., Ltd. possesses more than 10 patents, among which two are creation patents.In 2013 the Company passed the ISO9001 Quality system Certificate. In 2016 the company obtains the CE Certificate of Underground cable and Pipe detector series. By continuous efforts Xu Hui Company win the wide praises from home and abroad electrical experts. Xi'an Xu Hui Electromechanical Technology Co., Ltd expect to strengthen the relationship with worldwide Cooperationers,and warm-heartedly welcoming business partners to visit our factory for developing the OEM ODM win-win Cooperation.Microcomputer relay protection calibrator suppliers website:http://www.xzhtest.com/ website2:http://www.xzhtester.com/