Jong-Yoon Kwak

Glostech Co., Ltd. engages in hybrid integrated circuits (HICs). Its products inlcude quartz crystal & generators, H.I.C, PCB assembly, power, check electrical products, and secret O2. The company was founded on July 7, 1976 and is headquartered in Incheon, South Korea.

IMAGINE ASIA Co., Ltd. engages in the entertainment industry. It operates through the Entertainment and Automobile business divisions. The Entertainment division deals with the management of celebrities; planning, production, investment of film, and drama; planning of music and performance; and provision of television entertainment services. The Automobile division offers automotive oil filters. The company was founded on July 2, 1976 and is headquartered in Seoul, South Korea.

IM Tech, Inc. manufactures ceramic substrates, mobile antennas, wireless charging, camera modules, and smart phone metal parts based on ceramic material technology. It operates through the following divisions: Antenna, Camera Module, and Ceramic. The Antenna division manufactures antenna parts and wireless chargers. The Camera Module division offers mobile camera module and television camera. The Ceramic division manufactures multi layer ceramic products. The company was founded on December 13, 2000 and is headquartered in Paju, South Korea.