River Eletec Corporation, together with its subsidiaries, 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/IoT, audiovisual equipment, and medical/healthcare fields. The company was formerly known as Fuji Sangyo Company and changed its name to River Eletec Corporation in October 1991. River Eletec Corporation was founded in 1949 and is headquartered in Nirasaki, Japan.