塑料包装工业现代化程度和塑料包装产品水平是反映人民生活质量高低及国家文明程度的标志之一。随着经济社会的不断发展,包装已由商品附属地位逐步提升为商品的重要组成部分,包装工业已经成 The degree of modernization of plastic packaging industry and the level of plastic packaging products reflect the level of people’s life and the level of national civilization one of the signs. With the continuous development of economy and society, packaging has been gradually promoted from the subsidiary status of commodities to an important part of commodities. The packaging industry has become