The Belt and Road impact

The metals and energy major plans to ramp up copper production from the mines to 300,000 tons a year and cobalt output to 6,000 tons.

Copper prices have retreated from a record hit in May on concerns about the strength of demand in China.

Earthquakes have the potential to substantially affect mining operations, leading to supply chain disruptions that adversely affect the global economy.

China's imports of major commodities are often viewed through the prism of the performance of, and outlook for, the world's second-biggest economy.