Global Metals News Aluminum 2026-08-09 Source: kuanglifang.cn Guinea Signs First State Mining Convention; Alumina Refining Project Enters Feasibility Study Guinea signs its first state mining convention; the alumina refining project enters feasibility study. Save Copy link Share page Share image aluminumflash This article requires member login. Please sign in to continue This article is available after member login. Member login Create account Source: kuanglifang.cn