Jin-Wook Cho

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.

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.

Soulbrain Memsys Co., Ltd. manufactures diodes, transistors and similar semiconductor devices. The company was founded on February 1, 2012 and is headquartered in Seoul, South Korea.

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 company is Eun-Deok Lee.

Part of Soulbrain Holdings Co., Ltd., Soulbrain MI, Inc. is an American company that manufactures the electrolyte portion of the lithium-ion battery market segment.