The Intra Asian liner operator has declared options at Taiwanese shipyard CSBC for four 1,800-teu boxships.

SITC is paying a total of $92m for thequartet which was originally part of an eight-ship order placed in April.

It booked two firm vessels initially and exercised optionfor another pair in June.

The move follows just a day after the company placed a freshorder for four more vessels of that size at CSBC, meaning it now has 12 vesselsunder construction at the yard.

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