With a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of Constant Current Grounding Resistance Tester, Ac 5kv & Ac 20ma Withstanding Voltage Tester , 70a Dc Earth Resistance Tester , Ac Power Supply 500w ,High Precision Power Supply . We feel that our warm and professional support will bring you pleasant surprises as perfectly as fortune. The product will supply to all over the world, such as Europe, America, Australia,Buenos Aires , Auckland ,New Orleans , Stuttgart .We strongly believe that technology and service is our base today and quality will create our reliable walls of future. Only we have better and better quality , could we achieve our customers and ourselves, too. Welcome customers all over the word to contact us for getting further business and reliable relationships. We are always here working for your demands whenever you need.