An unknown buyer acquired 2.9% stake in Hanil Vacuum Co., Ltd. (KOSDAQ:A123840) from Cos Investment CO., Ltd. for KRW 2.5 billion on January 19, 2018. Cos Investment CO., Ltd. sold 1.08 million shares of Hanil Vacuum at KRW 2304 per share. Post transaction, Cos Investment CO., Ltd. will hold 1.06 million shares in Hanil Vacuum. An unknown buyer completed the acquisition of 2.9% stake in Hanil Vacuum Co., Ltd. (KOSDAQ:A123840) from Cos Investment CO., Ltd. on January 19, 2018.