Swedish floating wind company SeaTwirl AB (<a href="https://www.nasdaqomxnordic.com/aktier/microsite?Instrument=SSE130457&name=SeaTwirl&ISIN=SE0009242175" target="_blank">STO:STW</a>) will partner with Sumitomo Corporation Power & Mobility Co Ltd to promote its vertical-axis offshore floating wind turbine in Japan.