In consequence, the company has raised its profit forecasts for the year to March.
The company reported net profit of 93.15 billion yen for the first nine months, compared to 48.66 billion yen a year earlier.
Pretax profit rose 86.3 percent to 149.72 billion yen and operating profit increased 93 percent to 148.59 billion yen.
Revenue expanded 21 percent to 1.94 trillion yen.
For this fiscal year NYK Lines is now forecasting net profit of 120 billion yen, operating profit of 200 billion yen and revenue of 2.58 trillion yen. Three months ago it projected net profit of 111 billion yen, operating profit of 182 billion yen and revenue of 2.54 trillion yen.