Well-run devices, expert profits group, and better after-sales companies; We have been also a unified huge family, everybody keep on with the organization worth "unification, determination, tolerance" for DC Resistance Test, Lightning Counter Calibration , transformer ratio tester , short circuit impedance tester ,Vlf Testing . Now we have extensive goods source as well as price tag is our advantage. Welcome to inquire about our products and solutions. The product will supply to all over the world, such as Europe, America, Australia,Tajikistan , New York ,New Zealand , Algeria .As an experienced group we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of our company is to build up a satisfactory memory to all customers, and establish a long term win-win business relationship. Choose us, we always wait for your appearance!