发展一个新顾客的费用是留住老顾客费用的8倍 留住老顾客提高顾客忠诚度不仅仅限于送赁、安装和保修 后期顾客管理可以使新品市场开发更具后劲 树立后期顾客管理观念是现代企业家所具备的素质 The cost of developing a new customer is 8 times that of retaining the old customer. Retaining the old customer and improving the customer loyalty is not only limited to sending the rent, installation and maintenance. The customer management at the later stage can make the development of the new product market more successful. Establishing the customer management concept in the later stage is modern. The qualities that entrepreneurs have