Sunny Electronics Corp.

Sunny Electronics Corp., together with its affiliated companies, is a specialist in the manufacturing and sale of frequency control components. Their extensive product range encompasses crystal units, various filters, a selection of crystal oscillators including VCXO, TCXO, and VCTCXO types, as well as jewel screws. Beyond these core offerings, the company is also engaged in creating wired and wireless communication devices and conducts operations within the broader information communications industry. Established in 1966, the firm was initially known as Sunny Electric Engineering Co., Ltd. before officially changing its name to Sunny Electronics Corp. in March 1999. The company's principal office is situated in Chungju, South Korea.