随着我国国民经济的飞速发展,对铝的需求越来越大。据有关方面预测,到1990年我国铝产量可达80万吨,而消费量约为92.5万吨,缺口12.5万吨,自给率为86.48%。到2000年我国铝产量将增长100万吨,消费量预计达200万吨以上,缺口约20万吨,自给将达到90%,自给率提高了3.52%。在“七五”至“九五”三个五年计划期间,在 With the rapid development of our national economy, the demand for aluminum is growing. According to the forecast of relevant parties, by 1990, China’s aluminum production will reach 800,000 tons, while the consumption will be 925,000 tons and the gap will be 125,000 tons. The self-sufficiency rate will be 86.48%. By the year 2000, China’s aluminum output will increase by 1 million tons, consumption is expected to reach over 2 million tons, the gap will be about 200,000 tons, the self-sufficiency will reach 90% and the self-sufficiency rate will increase by 3.52%. During the three five-year plan period from the “Seventh Five-Year Plan” to the “Ninth Five-Year Plan”,