The company originated as a mining business in Ceará in 1960. The group states that it seeks to develop technology and new products through laboratory research and development.
Based on the company’s public LinkedIn information, supplied through RevenueBase.
Its geology department conducts mineral exploration and has been responsible for discoveries and reserve expansion involving calcitic and dolomitic limestone, magnesite, talc, barite, quartz and hematite.
Source: LinkedIn company description · Retrieved October 13, 2026
Libra produces ferroalloys and inoculants for the industrial raw-material segment, expanding its markets nationally and internationally.
Source: LinkedIn company description · Retrieved October 13, 2026
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Open the published source list.RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 14, 2026, September 15, 2026, September 16, 2026, September 19, 2026 and September 27, 2026. How the company lists are built.
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