The world’s biggest miners had a tough start to the year, struggling to hit production goals and keep costs under control.

The company lowered its copper sales forecast by about 1% annually for this year and the next.

Iron ore production from Western Australia came in at 66.7 million tonnes in the three months to March 31.

Zijin aims to take a 45.9% stake in Mongolia's Kharmagtai copper and gold mine.

“The nationalization of strategic resources is the cornerstone of a country’s development.”

The company's copper production guidance for 2022 remains within the range of 110,000 to 150,000 tonnes.

Mining and metals companies want the tax system to return to how it was before changes made last year that effectively raised levies.

The new effort will focus on eliminating a dike from its Barragem 5 dam at the Aguas Claras mine, located in the Minas Gerais city of Nova Lima.