Niobiun for sale. 30.000/ton contract of 360.000/ton/annual. Port Brazil and ready to ship. Only serius enquires. We are a direct producer and owner of mine of Niobium and other values metals in South America. Niobiun Purity: 63% long term contract. Send enquires with full letter of soft offers to: [email protected] Brockers are welcome e fully protect by law. Only serius enquires! Time is money! Dont wast my time. Price FOB/Brazil. hashtag#saleshashtag#mininghashtag#metalshashtag#protectionhashtag#gmf