We are BraunBlock, a Europe-based procurement service for refractory and strategic metals, sourcing on behalf of European industrial manufacturers. We.....show more
Tantalite (Coltan) ores. 1) Tantalite ore min 30% Ta2O5
2) Cassiterite (Tin Ore), min 40% SnO2
Crushed to 0-10 mm
Qty: Min one container load or to be.....show more