Frequency Inverters, AC Drives, and Variable Frequency Drives (VFD), Vector Control Inverters, Frequency Inverters, VFD Drives, AC Drives, and Variable Speed Drives, are the specialty of Power Tech System, which manufactures, distributes, exports, and imports a comprehensive range built for high efficiency and reliable performance. Established in 2000 and based in Ahmedabad, the company's products see wide use in electrical, ceramics, steel, paper-processing, rolling-machine, elevator, escalator, crane, pharmaceutical, and plastic-injection applications.