世界一些大型铝公司纷纷宣布削减原铝产量由于国际市场铝长期供过于求，铝价疲软，导致美国一些铝厂停产或减产。据美国铝业协会最近发布的统计数字，美国１９９３年闲置的原铝产能达６３．３万吨以上，占美国原铝总产能的１５．５％，世界原最大的铝生产者美国铝业公司，... Some large aluminum companies in the world have announced the reduction of primary aluminum production due to the long-term oversupply of aluminum in the international market, the weakening of aluminum prices, which resulted in the suspension or reduction of output of some aluminum mills in the United States. According to the latest statistics released by the Aluminum Association, the United States in 1993 idle primary aluminum production capacity of 633,000 tons, accounting for 15.5% of the total primary aluminum production capacity of the United States, the world’s largest aluminum producer Alcoa , ...