OOIL CFO Alan Tung Lieh-sing has said the company is keeping an eye on how other countries react to the US' impending hike of steel and aluminium tariffs.

US president Donald Trump has signalled a 25% tax on steel imports and a 10% levy on aluminium.

The OOCL parent's finance chief Tung told the Nikkei Asian Review: "We will have to watch closely the next steps taken by different countries.