关于 ALCOA CORPORATION
Alcoa Inc. (Alcoa) is engaged in lightweight metals, products and solutions. The Company offers its technology and expertise in automotive and aerospace transportation, building and construction, consumer electronics and packaging, defense applications across air, land and sea, and the oil and gas industry. The Company is also a producer of primary aluminum, as well as a miner of bauxite and refiner of alumina. The Company�s segments include Alumina, Primary Metals, Global Rolled Products and Engineered Products and Solutions.