WRTBF - Wärtsilä Oyj Abp 2021 Q1 - Results - Earnings Call Presentation April, 22 2021 08:58 AM Wartsila Corp The following slide deck was published by Wärtsilä Oyj Abp in conjunction with their 2021 Q1 earnings call. For further details see: Wärtsilä Oyj Abp 2021 Q1 - Results - Earnings Call Presentation