Mitsui OSK of Japan has turned in interim profits four times higher than last year, lifted by the tide of rising demand and stronger rates in containership markets, as well as booming demand in China for iron ore.

Japan's second biggest shipping company after NYK reported first-half group net profit of JPY 20.6bn ($190m), compared with JPY 5.5bn last year. On a per share basis the profit was JPY 17.23