Transformer Tester, Insulation Tester, High Voltage Test Set manufacturer / supplier in China, offering HV HIPOT High Voltage Standard Capacitor for capacitance and tan delta testing, HVHIPOT GDB-D Customized Portable TRT TEST KIT TTR tester, HVHIPOT GDYT-10/150 10kVA 150kV Transformer Partial Discharge Test System PD Tester and so on.