包装是商品加工的延伸，是商品生产过程不可缺少的组成部份。在市场经济的条件下，由于产品的更新换代，消费需求不断扩大，销售竞争激化，新材料、新工艺、新技术的开发，消费者对美的追求，环境保护和价格因素，使现代包装日新月异。云南经济发展长期滞后，使云南的包装... Packaging is an extension of the processing of goods is an integral part of the production process of goods. Under the conditions of a market economy, modern packaging is rapidly changing due to the upgrading of products, the continuous expansion of consumer demand, the intensification of sales competition, the development of new materials, new processes and technologies, the pursuit of beauty by consumers, environmental protection and price factors. Yunnan’s economic development has lagged behind so that Yunnan’s packaging ...