Alcoa, Pittsburgh, Pennsylvania. 49627 likes · 36 talking about this · 125 were here. Alcoa is a global industry leader in bauxite, alumina and... ... <看更多>

Alcoa (NYSE: AA) is a global industry leader in bauxite, alumina, and aluminum products, and is built on a foundation of strong values and operating ... ... <看更多>

ALCOA is an acronym that stands for Attributable, Legible, Contemporaneous, Original, and Accurate. These five principles are critical in ... ... <看更多>