The document discusses aluminum production and trade. The top aluminum producing countries are China, Russia, the United States, Canada, and Australia. Aluminum is produced from bauxite ore and is the most abundant metal in the Earth's crust. The largest aluminum importing countries are the United States, European Union, China, Germany, and Japan. New Zealand exports aluminum and aluminum waste and scrap. In the most recent financial year, New Zealand exported around $1 billion worth of aluminum.