The company that took over 63 percent of RTB Bor in 2018 for $350 million, promising to invest $136 million in environmental protection. The Commercial Court in Zaječar has fined it for both pollution and illegal construction, according to RERI seven times in three years for construction alone, and sulphur dioxide levels in Bor reached as much as five times the limit; Zijin says the problem has been solved. In 2026, US Customs banned imports of its copper over six indicators of forced labour, UN special rapporteurs called the Bor region a “sacrifice zone”, and Vučić said the state would help Zijin “as much as it can”.