OM
Industry & Hardware
Ostro Minerals
Brazilostro.com
Ostro Minerals is an Industry & Hardware startup based in Brazil.
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About Ostro Minerals
Based in Brazil, Ostro Minerals is a startup. Brouky classifies it under Industry & Hardware.
Ostro Minerals is engaged in the exploration, mining, processing, and marketing of Blue Topaz gemstones, operating with a focus on responsibility, transparency, and philanthropy.
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