The Den Helder-based outfit has contracted a pair of 4,200-dwtplatform supply vessels (PSV) to go with the two already under construction.
Vroon gave no indication how much it had agreed to pay forthe ships which will be handed over in 2015.
However a fee of $54m each was linked with the order for thefirst two vessels.
In total the company now has ten PSVs under construction atChinese yards.
Fujuan
