River Eletec Corporation

River Eletec develops, produces, and sells quartz crystal units, crystal oscillators, resistors, and other components. The company offers AT-cut, tuning fork, and KoT-cut OPAW crystal units; and KoT-cut OPAW, MHz, and kHz crystal oscillators.

Its products are used in smartphones, in-vehicle, wireless communication, audiovisual equipment, and medical/healthcare fields. Founded in 1949 and headquartered in Nirasaki, Japan, River Eletec was formerly known as Fuji Sangyo Company before rebranding in October 1991.