Wärtsilä secures operations of De Beers’ diamond mining vessel by admin August 22, 2018 August 22, 2018 31 views Wärtsilä Corporation, 22 August 2018 at 10.30 am EEST – Wärtsilä and De Beers Marine have signed an agreement for the replacement of generating sets aboard De Beers’ diamond mining… 0 FacebookTwitterLinkedinEmail