Guangxi Yusheng Germanium Industry publicly tendered for 300 kg of zone-refined germanium ingots on the 28th [SMM Report].

[SMM Express] Research on Rwandan tantalum concentrate market indicates that most concentrate transactions are negotiated on a spot basis, with prices typically determined by buyer demand rather than long-term supply agreements. According to market participants, contract prices are frequently renegotiated after delivery to reflect prevailing market conditions, highlighting the short-term nature of the country's tantalum concentrate trade. Findings also show that 22–30% Ta₂O₅ concentrates are among the most actively traded grades and that Chinese smelters remain the primary buyers of Rwandan material. Market prices are reported to fluctuate mainly in response to demand for concentrate and the quantity of material available for sale. Weak demand, lower prices and limited working capital are noted to be among the main challenges facing the sector. These market observations suggest that Rwanda's tantalum concentrate trade continues to be influenced by downstream purchasing activity in China, with spot market dynamics remaining the principal driver of pricing and trading activity.

[SMM Express] Free on Board (FOB) remains the predominant pricing basis for Nigerian columbite-tantalite (coltan) concentrate exports, with most shipments priced at major export terminals including Onne Port in Rivers State and Apapa Port in Lagos. FOB pricing is widely used in transactions between Nigerian exporters and international buyers as it provides a transparent basis for valuing concentrates before freight and insurance costs are added. Market participants indicate that sales to Chinese trading companies and processors are frequently negotiated on a Cost, Insurance and Freight (CIF) basis for delivery to China, with the corresponding FOB value derived after deducting ocean freight and marine insurance costs. Meanwhile, smaller domestic and regional transactions may be concluded on Ex Works (EXW) or truck-delivered-to-port terms before cargoes enter formal export channels. The continued dominance of FOB pricing reflects established international trade practices for critical mineral concentrates and facilitates price benchmarking across global tantalum markets. As demand for transparent and traceable supply chains increases, standardised pricing mechanisms are expected to remain important in supporting efficient trade and market confidence.

[SMM Express] China continues to dominate the export market for Nigerian tantalum concentrates, accounting for an estimated 80%–90% of formal export volumes. Most shipments are purchased by Chinese trading companies and processors, with downstream refining concentrated in major processing hubs such as Jiangxi, Fujian and Guangdong. Europe remains an important secondary destination, with tantalum concentrates supplied to processors and commodity traders serving markets in Germany, Estonia, Belgium and the Netherlands. Smaller volumes are also routed through trading hubs in Malaysia and Singapore before entering downstream supply chains, while interest from the United States is increasing as efforts to diversify critical mineral supply chains continue. A notable share of Nigerian columbite-tantalite production is also understood to move through informal cross-border trade routes before entering formal international markets. These unofficial flows make it more challenging to accurately monitor export volumes, pricing and end-market destinations, highlighting the importance of improved supply chain transparency in the global tantalum market.