Jan De Nul Group continues to sail a steady course, combining solid financial figures with targeted investments, the company said in its release. This pays off and is reflected in an order book of 3.4 billion euro at the end of 2019. KEY FIGURES  Turnover exceeding 2 billion euro EBITDA amounting to 342 million euro or … Lire la suite de Plombier à Luxembourg-Weiswampach.