Series Resonance, Hipot Tester, High Voltage Test Equipment manufacturer / supplier in China, offering Electromagnetic Shielding Clothing Efficiency Test Device/Shielding Suit Efficiency Tester for Live Work, 0-50KΩ Shielding Clothing Surface Resistance Test Device Shielding Clothing Low Resistance Tester, Portable Multi Measuring Current Professional Transformer/CT/PT/Vt Testing DC Winding Resistance Meter and so on.