Taiwanese bulker owner Wisdom Marine Lines has upped earnings in the first quarter as revenue rose.

The company said net profit grew to TWD 216.04m ($7.2m) from TWD 42.67m in 2017.

Revenue increased to TWD 2.95bn against TWD 2.6bn the year before, while operating expenses were held at TWD 2.22bn.

Interest costs rose to TWD 385m from TWD 299m year-on-year.