NDZC KV Grid Tester Co., Ltd is a high- technology company combines research , production and commerce as one. We are professional manufacture of electric equipments (design and production). NDZC KV Grid Tester Co., Ltd supply advanced HV test equipments and detection instruments for electric system, scientific research institution and manufactures related to electric equipments. Our products widely used in electric power, water conservancy, oil, railroad, mine and chemical industry etc.