Hyun Jae-hyun

Hyun Jae-Hyun (born February 12, 1949) is chairman of Tongyang Group, a South Korean conglomerate founded in 1957 as a cement manufacturer.

Hyun Jae-hyun

Hyun Jae-Hyun (born February 12, 1949) is chairman of Tongyang Group, a South Korean conglomerate founded in 1957 as a cement manufacturer.