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According to incomplete statistics, the output of the world's main copper-producing countries has not decreased but increased
.
Among them, Chile's copper production in 2017 was 5.
5 million tons, down 0.
9% from 5.
55 million tons in the previous year and 4.
7% from 2015, but the absolute reduction was only 270,000 tons
.
Peru, the world's second-largest copper producer, reported a 3.
9% increase in copper production to 2.
45 million mt
in 2017.
Congo's mining ministry said the country's copper production in 2017 rose 6.
9 percent year-on-year to 1.
09 million mt
.
Kazakh Mining announced that the annual output in 2017 reached 258,500 tons, an increase of 80%
over the whole year of 2016.
Zambia produced 850,000 tonnes of copper in 2017, up 10%
from 774,000 tonnes in 2016.