IUPS(Industrial Uninterruptible Power Supply ) Produce 100% Clean Power, Provide Long Back Up Power Up To 48 Hours, Frequency Converter 50Hz to 400Hz, DC Rectifier, Battery Charger, AC Inverter, IAVR ( Industrial Automatic Voltage Stabilizer ) For Extreme Application, REPAIR ANY ELECTRONICS BAORDS, UPS, AVR & Any Related Electronics PCB, Custom Make Design For Any Power Solution - Long Bak Up, Electro Plating & Etc.