Introduction The product life cycle describes the stages a new product idea goes through from beginning to end and shows the sales of a product over time,which is useful to decide what marketing needs to be carried out for the product at different stages.Therefore,a thorough understanding of product life cycle is doubly important to an exporter. 制价运行贸易大孝Introduction Introduction The product life cycle describes the The product life cycle describes the stages a new product idea goes through stages a new product idea goes through from beginning to end and shows the from beginning to end and shows the sales of a product over time, which is sales of a product over time, which is useful to decide what marketing needs to useful to decide what marketing needs to be carried out for the product at different be carried out for the product at different stages. Therefore, a thorough stages. Therefore, a thorough understanding of product life cycle is understanding of product life cycle is doubly important to an exporter. doubly important to an exporter