嘉能可位于智利的铜矿冶炼厂恢复运营。

Group 1 - The core point of the article is that Glencore's copper smelting plant in Chile has resumed operations [1] Group 2 - The resumption of operations at the smelting plant is significant for the copper industry, potentially impacting supply and pricing dynamics [1] - This development may enhance Glencore's production capacity and operational efficiency in the region [1] - The copper market is closely monitored due to its importance in various sectors, including construction and electronics, making this news relevant for investors [1]