http://www.transformer-tester.com/ Our History HUAZHENG Electric Manufacturing (Baoding) Co., Ltd . Hereinafter referred to as "Huazheng Electric", located in Baoding city, Hebei province, China. Founded in 2008. Our company is one of the earliest "high-tech enterprises", which produce transformer testing equipments and high voltage test systems. Our Product The main products of Huazheng Electric include: transformer oil tester, transformer test equipment, high voltage test set, secondary and primary current injection test set, the circuit breaker analyzer, sf6 gas analyzer, battery test instrument, cable fault location system, ct pt analyzer, impulse voltage generator etc. Product Application Widely applied in: electric power, energy, petroleum, chemical industry, metallurgy, railway construction, water conservancy & hydropower, schools and coal fields. Our Certificate Our company has obtained ISO9001, also have 16 patent certificates and 50 software copyrights. All of our equipment conforms to CNAS, CE and other international standards. Our R&D team has a group of professional technicians from Top universities of China, and the production process conforms to 5S management standard. What's more, we have already provided products and technical services to more than 100 different countries. Huazheng will always insist to provide high quality products and good service for our customers and make a contribution to the development of world's Electrical Power Industry.China 200A Circuit Breaker Contact Resistance Tester website:http://www.transformer-tester.com/