Japan's Kyoei Tanker has posted a big rise in net earnings in its latest financial year.

The company made JPY 780m ($7.13m) to 31 March, from JPY 159m previously.

Revenue was down at JPY 12.5bn against JPY 13.1bn, however, and operating profit was also lower.

The owner had forecast net earnings of JPY 750m.

For the current year, it predicts profit of JPY 650m from revenue of JPY 13.05bn.