They don't have enough berths. However they have really fast turnaround, 1-2 days for jobs that for most others take 2-4 days. Edit: this is partly because they

They don't have enough berths. However they have really fast turnaround, 1-2 days for jobs that for most others take 2-4 days. Edit: this is partly because they have so little space and have to share so much with petrochemical and other bulk commodity ships, while simultaneously being probably the primary shipping hub for Asia.