A Chinese shipyard has delivered an ultra-large ore carrier for transporting iron ore between Brazil and China. The 400,000-tonne carrier has a carrying capacity equivalent to 6,666 freight train carriages.

The ocean-going vessel, named "Ore Tianjin," is 362 meters long and 65 meters wide. It can sail 25,500 nautical miles without refueling.

The carrier can be powered by liquefied petroleum gas (LPG), which could save transport cost by 30 percent and greatly reduce pollution.

The ship also boasts an advanced ship-loading mechanism that can load 400,000 tonnes of ore in 16.7 hours.