Anthony Viljoen, the chief executive of Andrada Mining talks markets, critical metals, and Namibia. Are better times ahead? A plethora of recent equity issues and other corporate activity suggests they just might be, and Andrada is getting ready by ramping up production at its Uis tin mine in Namibia and using the cashflow to bring new projects forward. All-in-all, the company has exposure to tin, tantalum, lithium, copper, tungsten, niobium and rubidium.