Jong-Seok Yoon

POLUS BioPharm, Inc. engages in the manufacture and sale of electrical measuring, testing and analyzing instruments. Its main products include test and measuring instruments and telecommunication system. The test and measuring instruments consist of analyzer, analog oscilloscope, digital storage oscilloscope, generator, meter, counter, and power supply. The telecommunication system includes base station solutions, coverage solutions, RF power amplifiers and RF conditioning products. Its macsra product provides electricity setting level through surge protector. The company was founded on February 2, 1972 and is headquartered in Incheon, South Korea.

SFC Co., Ltd. engages in the manufacture and sale of solar module components back sheets, and other films. The company operates through the following business areas: Solar, Film, Energy, and Bio. It offers products such as back sheets, coating films, and others The company was founded on December 23, 1991 and is headquartered in Hongseong-gun, South Korea.

Kanohee Co. Ltd. manages and invests in companies. The company is headquartered in Seoul, South Korea.