Taiwan's Wan Hai Lines has posted lower earnings for 2013 as costs rose.

The containership owner said net profit to 31 December was TWD 2.72bn ($89.31m), compared to TWD 1.63bn in 2012.

Revenue dropped to TWD 59.68bn from TWD 62.93bn year-on-year.

And total operating expenses grew to TWD 3.35bn from TWD 3.05bn the year before.