 However, electric fans have been primarily their most profitable product, on which they remain the world's leading manufacturer of electronically-operated fans in different varieties, such as orbit fan, wall fan, desk fan, pedestal fan, living fan, and stand fan.KDK also manufactures all electric fans sold under the National (now a defunct manufacturer of non-audiovisual products of Panasonic) and Panasonic brands.KDK pioneered the "1/f Yuragi" technology- one of its kind in electric fan industry - on which the electric fan varies the wind speed in order to simulate the natural breeze of the environment.