Singapore increased its gold reserves by about 20% earlier this year.

The amount of tonnes extracted from the earth in a day can be vast at the world's largest mines.

The detained inspectors issued a safety certificate for the mine in November but had not actually checked the facility.

2030 seen as a pivotal year for hydrogen competition.

The state-run company is facing pressure from high diesel prices and an increase in salaries of employees.

Mitsubishi also said its stake in Indonesia's copper smelter PT Smelting, its joint venture with PT Freeport Indonesia, will fall to 35% from 60.5%.

Weiming is based in Wenzhou in China's Zhejiang province, the same city that is home to top global nickel producer Tsingshan Holding Group.