Tae-Kyoon Kim

Kael Co. Ltd. engages in production of Fundamental Products, Semi-Conductor & Display, Bio Business Field and Environment. The company's products are Coating Resin, CA Filter, Gas Scrubber & Resin, KAEL-GemVax, KSCB, Adsorbent Tower, Positive Pressure Facility and so on. It was founded on March 10, 1998 and is headquartered in Daejeon, South Korea.

Gem & Co. /KR/ engages in the provision of financial consulting and trading services. The company was founded on September 9, 2004 and is headquartered in Seongnam, South Korea.

Cornerstone Networks CO., LTD. engages in the manufacture and supply of information technology (IT) based didactic equipment and advanced training kits. It operates through following business divisions: Electronic Educational Equipment, Electronic Measuring Instrument, Power Supply, and Other, Its products include test and measurements, power supply, intelligent robot and educational trainer such as hydraulics pneumatics, simulation software, electricity/electronics/embedded, IT/communication, new and renewable energy. The company was founded on April 21, 1986 and is headquartered in Seongnam-si, South Korea.