Alphamin of the DRC Signs Agreement to Supply the U.S. with Tin Concentrate Containing Up to 3,600 Tonnes of Tin per Year
en.Wedoany.com Reported - On November 9, Alphamin Resources, the operator of the Bisie tin mine in the Democratic Republic of the Congo (DRC), reached a tin concentrate supply agreement with U.S. tin refiner Nathan Trotter, under which it will allocate to the latter, in each of the first two years, tin concentrate containing up to 3,600 tonnes of tin. This volume accounts for approximately 18% of the Bisie tin mine's target annual tin-in-concentrate output of 20,000 tonnes, and the relevant product will supply the U.S. tin smelting facility that Nathan Trotter is currently building.

The Bisie tin mine is located in North Kivu Province, DRC, and is Alphamin's core production asset, currently operated by its subsidiary, with annual tin-in-concentrate output of approximately 20,000 tonnes. The agreement adopts a production allocation arrangement, supplying tin concentrate that has undergone mineral processing; the 3,600 tonnes refers to the weight of the metallic tin contained therein, not the total delivered weight of the tin concentrate product.
The U.S. buyer, Nathan Trotter, was founded in 1789 and is a U.S. tin trading, refining and tin alloy production enterprise. It is currently building the Tin Ridge smelting and processing facility in Henry County, Virginia. The project involves an investment of approximately US$65 million, with a plant area of approximately 10,700 square meters, and is designed to process feed materials including tin concentrate and recycled tin materials. It is expected to create approximately 118 jobs once fully operational. The company plans to achieve first production in 2027.
Alphamin's addition of a U.S. customer this time is related to its arrangements to expand sales channels. Market information disclosed by the company in late October 2026 shows that approximately 70% of its tin concentrate is sold to the Yunnan region of China, with Asia remaining its main sales market. The agreement reached with Nathan Trotter this time adds a U.S. smelting enterprise as a sales channel, but the annual supply volume of up to 3,600 tonnes does not mean that its main sales destination has changed.
This supply arrangement is also related to customer structure adjustments after the UAE investment institution International Resources Holding (IRH) acquired a majority stake in Alphamin. Alphamin stated that the company is expanding its customer base and supporting the development of tin refining capacity in Western markets. After Nathan Trotter's new facility is commissioned, Bisie tin concentrate will gain a new processing destination; the actual supply progress will still depend on smelter construction, commissioning and subsequent delivery arrangements between the two parties.
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