Run Test Electric Manufacturing Co., Ltd, located in High-Tech Industrial Development Zone, Baoding, China. It is a joint venture which is invested by Zhongchuang Electric and Dongrun Technology.We have been in electric testing industry more than 10 years, specialized in design, manufacture and test service. We are qualified supplier and service provider of State Grid in China.We have our own R&D department which is specialized both in hardware and software, at the same time, our R&D department is cooperating with high technology institute such as Chinese Academy of Sciences,North China Electric Power University etc. Our main products including: Partial discharge tester, transformer tester, transformer oil test series, high voltage test series, safety product test series, cable fault location system, relay & microcomputer protection test, etc.All our products comply with international quality standard and customizable. We sincerely invite clients and friends all over the world to visit our company. We will and always provides nice products and service.