Apple has said in the past that it does not directly buy, procure or source primary minerals, and it has been auditing its suppliers for several years.

The government aims to issue first licenses in 2025, but companies will require separate approvals to start production.

Kingsrose has numerous early-stage nickel-copper exploration targets and has secured exploration licences across the two Nordic nations.

Australia said on Wednesday it would consider Chinese ownership when deciding whether companies qualify for tax credits under a new program of incentives.

The Saudi Arabia project is still a pilot and not yet at commercially viable levels, Ma'aden's CEO said.

The Nisk deposit was first discovered by Inco, now Vale, in 1962.

Lifthium is planning to source the raw materials from different regions around the world, including South America.

BHP has until 16:00 GMT on Wednesday to make a binding bid for Anglo American.