易拉罐—3004H19铝合金板带材主要用于食品饮料包装。因其性能参数要求高,生产工艺极为复杂,不仅在国内是一项空白,国外也只有美国、西德、日本等少数国家能够生产。目前,我国生产饮料罐只有靠进口材料来解决,耗费了国家大量外汇。 Cans -3004H19 aluminum alloy strip is mainly used for food and beverage packaging. Because of its high performance parameters, the production process is extremely complicated, not only in China is a blank, but also the United States, West Germany, Japan and a few other countries to produce. At present, China’s production of beverage cans only rely on imported materials to solve, consuming a large amount of foreign exchange.