Alcoa is the company formerly known as Aluminum Company of America.

1. Alcoa is one of the largest producers of aluminum in the world, supplying various industries with high-quality products.
   Alcoa 是全球最大的鋁生產(chǎn)商之一，為各個(gè)行業(yè)提供高質(zhì)量的產(chǎn)品。
2. The company's commitment to sustainability has made Alcoa a leader in the aluminum industry.
   該公司對(duì)可持續(xù)發(fā)展的承諾使 Alcoa 成為鋁業(yè)的領(lǐng)軍企業(yè)。