WRTBF - Wärtsilä Oyj Abp 2020 Q4 - Results - Earnings Call Presentation January, 28 2021 04:53 PM Wartsila Corp The following slide deck was published by Wärtsilä Oyj Abp in conjunction with their 2020 Q4 earnings call. For further details see: Wärtsilä Oyj Abp 2020 Q4 - Results - Earnings Call Presentation