South Korea's mining and manufacturing output surged 27.8% year-on-year in the second quarter of this year, South Korea's Chungcheongbuk-do surged 27.8% year-on-year, leading the growth rate among all regions of South Korea, according to data released in the Korean statistics table on Wednesday, driven by a sharp increase in chip production from companies such as SK Hynix. South Korea's mining and manufacturing output increased 2% year over year in the second quarter. In Chungcheongbuk-do, semiconductor and electronic component production increased 70.9% year over year, leading overall growth, mainly due to SK Hynix's production line in the region.