Samsung Techwin announced on Friday (November 28, 2014) that Samsung Group affiliates will sell their holding stakes in Samsung Techwin to Hanwha Group. Samsung Techwin is a major supplier of video surveillance equipment. Hanwha Group is a large South Korean conglomerate. Samsung Group is reorganizing its business empire to make it easier for the children of Samsung Electronics Co Ltd (005930.KS) chairman Lee Kun-hee, 72, who has been hospitalized since a May heart attack, to divvy up the conglomerate.