Mfr: Automatic Voltage Corrector Servo Voltage Corrector (1&3 Phase) Constant Voltage Transformers Uninterruptible Power Supplies (On/Off Line) Inverters For Electronics Generator Battery Eliminators Battery Charger (Float Boost). Dc Power Supply (Fixed And Variable) Isolation Transformer Spike Noise Protector/Surge Suppressor And Digital Line Conditioner. Chf Extv: Rajanibhai J. Kansagra.