Japan's Azuma Shipping has bumped up earnings in the first six months as revenue rose.

The cement carrier owner said net profit to 30 September was JPY 186m ($1.64m), compared to JPY 63m in 2016.

Revenue grew to JPY 19.97bn against JPY 18.19bn a year ago.

The full-year profit forecast remains at JPY 497m, it said.

This compares to an actual result of JPY 505m in the previous 12 months.