Black Arrows Ltd is based in Sweden and lists copper ore on Global Trade Plaza. The ore is offered with copper purity ranging from 20% to 40% Cu, tantalum and niobium between 30% and 55%, tungsten from 60% to 72.10%, and beryllium content between 10% and 14% BeO. The product is available for export in quantities from 20 to 100 containers, with potential for increased volume over time. Buyers can send an enquiry through Global Trade Plaza.