The Brazilian company is in the process of ramping up the S11D mine.
Companhia Siderúrgica Nacional (CSN), created in 1941 with headquarters in São Paulo, Brazil, is a multinational company focused on the metal, mining, cement, logistics and energy sectors.
Peru creates General Directorate of Mining Promotion and Sustainability
Chilean state copper producer Codelco awarded a major contract valued at US$50mn to the technology company.
The report from the regional government in northern Chile states that the aquifer from which the company is currently extracting groundwater is already overexploited and thus recommended rejecting the project to extend extraction to 2030.
Companies issue appointment, spin-out and joint venture updates relating to lithium, copper and gold projects in Chile, Ecuador and Argentina.
Shipments of semi-manufactured steel alloy and alumina also performed well in the period, official data shows.
However, other competitive issues must also be resolved to achieve the industry's goal, Brazilian steel executives said at a congress on Wednesday.