According to Yonhapinfomax, South Korean conglomerate Doosan Group completed the acquisition of a 70.6% stake in SK Siltron for 2.3 trillion won on July 30, marking a major portfolio expansion as the company celebrated its 130th founding anniversary on August 1. The deal represents Doosan's vertical integration into semiconductor wafer manufacturing, with the conglomerate stating it will bolster future growth drivers and establish a sustainable revenue base. SK Siltron, South Korea's sole semico