Changho Park acquired an additional 0.78% stake in Zungwon En-Sys Inc. (KOSDAQ:A045510) for approximately KRW 680 million on November 3, 2016. Changho Park acquired 0.23 million shares of Zungwon En-Sys Inc. at KRW 3000 per share. Changho Park completed the acquisition of an additional 0.78% stake in Zungwon En-Sys Inc. (KOSDAQ:A045510) on November 3, 2016.