Our factory is one of the earliest enterprises to develop, design and manufacture high-voltage transmission and test equipment in China. We closely cooperate with experts and professors from the State Grid Electric Power Research Institute, Wuhan University and other scientific research units, the company now become a joint institution of scientific research, development, production making, sales and installation. Our factory is located in Wuhan Huading Industrial Park, (Economic and Technological Development Zone Hubei), it covers area of more than 4000 square meters, the main products include: Series resonance test device, GIS PD test system, AC/DC high-voltage test transformer, Strong Current generator, three frequency power generator, Multi frequency induction voltage test device, Insulation withstand voltage test device and other testing instruments. Products are mainly used in Power Supply department, Power plant, Power construction, Railways, Petroleum, Chemical, Metallurgy, Coal and other sectors. The Superior products in factory: Series Resonance Frequency test device, GIS PD test system, her annual sales exceeded 200 sets, the Resonance test set and PD test system can meet the internation leading level. The factor has continued to develop overseas markets in recent years, , and some of its best products have been exported to Europe, America, Southeast Asia and other countries, which are well received by customers.