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进入21书记，中国铝型材工业走向世界的劲头强劲，改革开放以来，尤其是近几年，我国铝工业迅猛发展。
第一，1年我国原铝锭产量已超过俄罗斯和美国，成为世界原铝锭生产第一大国。1997年至2001年的年平均增速达12%，比其他原铝生产大国高得多。
2002年中国铝锭进口53万吨，出口75万吨，净出口22万吨。这种可喜的变化，为我国铝型材走向世界奠定了坚实的基础。
第二，中国的铝加工业也同步高速发展，1991年至2000年的铝材产量年平均增长率为17.6%，远高于其他国家的增速。2001年、2002年和2003年的铝材产量分别为234.1万吨、298.8万吨和363.0万吨。
中国铝加工材产量分品种而言，增速最高的是箔材，其次是型材。
第三，2001年中国已成为铝型材净出口国，特别是高精板带进口量居高不下。但铝型材是例外，且一支独秀，进入21世纪后，铝型材净出口量连年大幅递增。2001年净出口6000吨，2002年达2.5万吨，2003年达8.9万吨。2002年比2001年增长300%，2003年比2002年增长260%。这是我国铝型材工业大步走出国门走向世界的重要标志之一。
第四，2000年实施的铝合金建筑型材国家标准达到了国际先进水平，一批企业组建了自己的产品和技术研发中心并拥有多项专利。
我国上一版铝合金建筑型材国家标准是上世纪80年代制订的。但伴随着我国建筑型材生产技术的发展及出口的需要，已经很不能适应当前的形势。一方面是技术指标有的偏低，不能满足外方的要求，内容也不够广泛全面，因此大量采用日本JIS标准、英国BS标准，美国AAMA标准，德国DIN标准，欧洲的QUALCOAT标准，作为出口生产交货和验收的标准。为改变这种局面，中国有色金属工业标准研究所组织制订了新的铝合金建筑型材国家标准，并于2000年发布实施，其主要技术指标均达到国际先进水平。现在许多外商都纷纷接受按中国国家标准生产交货的铝型材。中国现在可以按世界最严要求的标准生产所需质量的型材。
参考答案:After entering the 21st secretary of the Chinese aluminum industry to the world the strong momentum since the beginning of reform and opening up, especially in the last few years, the rapid development of China's aluminum industry. First, the original aluminum ingot production has been more than one year Russia and the United States as the world's superpower original production of aluminum ingots. From 1997 to 2001 the average annual growth rate of 12%, much higher than other aluminum-producing countries. 2002 China imported 530,000 tons of aluminum ingots and 750,000 tons of exports, the net export 220,000 tons. This welcome change for China Aluminum to lay a solid foundation for the world. Second, the rapid development of China's Aluminum Industry also simultaneously, Aluminum output from 1991 to 2000 the average annual growth rate of 17.6%, a rate far higher than in other countries. 2001, 2002 and 2003 were 2.341 million metric tons of aluminum production. 2.988 million tons and 3.63 million tons. China Aluminum Material sub-yield varieties, FFF is the highest growth rate, followed by profiles. Third, in 2001 China has become a net exporter of aluminum profile, in particular the high-precision strip imports high. But Aluminum is the exception, and in a league of its own, entering the 21st century, Aluminum net exports substantially increased every year. 2001 net exports 6,000 tons in 2002 reached 25,000 tons, up 89,000 tons in 2003. 300%,2003 growth in 2002 than in 2001, an increase of 260% compared to 2002. This is a major step to expand into the world aluminum industry one of the important signs. Fourth, in 2000 the aluminum architectural profile national standards have reached the advanced international level. A number of enterprises set up their research and development centers and have a number of products and patents. Al Profiles on the first page of our national standard is developed 80s of the last century. But along with the development of China's building materials production and export needs, it has become unable to meet the current situation. Some technical indicators is one too low and could not meet the demands of foreigners, also insufficiently broad and comprehensive. So a large number of Japanese JIS standard, the British Standard BS, the United States draws standards, the German DIN standards. QUALCOAT European standards, as an export product delivery and acceptance criteria. To change this situation, China Nonferrous Metals Industry Standards Institute has developed a new national standard for Al Profiles, promulgated in 2000, and its main technical indicators have reached the international advanced level. Many foreign investors have now accepted by the Chinese National Standard of Aluminum production delivery. China is now the world's most strict accordance with the standards of quality required for the production profile.