The company gathers a development, produce, the sale automates in the electric power system for the integral whole, decline Sun economy energy, big power electric power electronics applied, electric power system circuit circulate and break down examination etc. research produce in obtained to show a Zhao result. The company is breaking down fixed position system in the same kind product towards losing power supply breakdown the development on the examination to develop also in continuously the renewal and get stripe, usage double the power line road GPS which carry a resistance method, is a domestic is the most safe currently credibility, the accuracy is the ***** power supply circuit breaks down indicator series, have already extended today&＃039;s more than ten specieses, basic bagged break down of all circuitses examination of the electric power system.Because the forerunner of its examination principle, have already been accept by the large customer, got approve of numerous electric power customerses.