Bong-Seok Kim

J&K Industry Co., Ltd. engages in the manufacture and sale of semiconductor and display panel. Its products include probe unit, probe station, and alser mlicro-processing system. The company was founded on June 19, 1996 and is headquartered in Seoul, South Korea.

Fect Co. Ltd. is a South Korean semiconductor manufacturing company. The joint venture company is based in Gongju-si, South Korea. The CEOs are Gun-Ju Lee, Seok-Hwan Yoon. The company was founded in 1996. Fect Co. was acquired by Soulbrain Holdings Co., Ltd. on December 31, 2021.

Founded in 2010, Soulbrain Sld Co. Ltd. is a manufacturer of electronic components.

MC Solution Co., Ltd., also known as E.MC, is a South Korean company that specializes in researching and developing industry automation technology. The private company is based in Gongju, South Korea, and the CEO of the company is Ji-Wan Chung. The company's focus is on product innovation and industry application to help customers achieve maximum production efficiency. The company offers a range of pneumatic products such as cylinders, valves, and fittings that are high efficiency, intelligent, accurate, and reliable.

Part of Soulbrain Holdings Co., Ltd., Soulbrainoptos Co. Ltd. is a South Korean company that manufactures and supplies semiconductors, display and secondary battery cells. The CEO of the private company is Eun-Deok Lee.