Product specifications: Mn between 40 to 46% of Mn. OWN PRODUCTION The Central Crushing Unit is where the manganese ore is mined, crushed and benefitted. Here the material passes through a technological control of quality where the ore is parceled and stored according to content concentration and granulometry. After the extraction, crushing, processing and quality control procedures, the ore is ready to start loading and start the logistics process from the crushing plant to the regulatory storage (lung).