Tantalum Niobium Ore For Sale In Haiti Henan Mining Machinery Co Ltd

Tantalite oreblack sands with tantalum and niobiumta2o5 nb2o5 sno2 wo3 port douala sea port shape fines powder concentrate or not nonconcentrate place of origin cameroon supply ability 100000 metric ton metric tons per year year payment terms l ct t we are offering for sale columbitetantalite coltan with a ratio of tantalum oxide ta2o5 from 30 to 38 we are offering

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