[6] "SOUR Valjaonica Sevojno" was the largest copper manufacturer in the former Yugoslavia, while the aluminum production was secondary activity of the company.
[5] In 1991, the aluminum mill Valjaonica Aluminijuma Sevojno was split from the company and operated since 17 January 1991 as an independent business enterprise.
[7] In 2011, "RC2" and "Darby" investment funds bought the East Point Metals Ltd. from Zoran Drakulić.
In 2017, according to the general director Božović, Valjaonica bakra Sevojno has produced 22,600 tonnes of copper, of which 95% is exported.
[10] On 10 November 2017, one employee was injured when he was hit by the forklift in the production facility, causing him serious leg injuries.