Our advancement depends on the superior gear ,superb talents and consistently strengthened technology forces for Insulation Resistance Test Formula, An Instrument That Displays Input Voltage , High-Performance Safety Tester , Stable Voltage And Steady Current Adjustable Power Supply ,Output Amplitude Voltage 0.01~12.8vrms . We always stick to the principle of "Integrity, Efficiency, Innovation and Win-Win business". Welcome to visit our website and do not hesitate to communicate with us. Are you ready? ? ? Let us go!!! The product will supply to all over the world, such as Europe, America, Australia,Botswana , India ,Belgium , Munich .We'd like to invite customers from abroad to discuss business with us. We can provide our clients with high quality products and excellent service. We are sure that we will have good cooperative relationships and make a brilliant future for both parties.