SeAH Wind UK, part of Korean steelmaker SeAH Besteel Holdings Co Ltd (<a href="http://data.krx.co.kr/contents/MDC/MDI/mdiLoader/index.cmd?menuId=MDC0201020203" target="_blank">KRX:001430</a>), has made an additional investment of GBP 225 million (USD 294.01m/EUR 268.8m) in an offshore wind technology manufacturing facility in Teesside, England, the UK government said on Friday.