The Southern African country of Zambia has extended its temporary waiver of the 10% export tax on copper concentrates until September 30, giving mining companies more time to move unprocessed material while critical smelting plants are out for maintenance and repairs

The Southern African country of Zambia has extended its temporary waiver of the 10% export tax on copper concentrates until September 30, giving mining companies more time to move…

Middle Eastern and Chinese-backed mining companies have emerged as the biggest beneficiaries of Zambias decision to extend the suspension of a 10% export duty on copper…