| 摘要 |
Disclosed is a product management system which comprises a consumer information database for storing order contracts and execution states of the order contracts; a product information database for storing categories and volumes of present products; a product management server for providing the categories and volumes of the present products to the consumer, transmitting the order contract to the consumer terminal, storing the order contract in the consumer information database, and providing information on a delivery of the ordered products and changes of the product volume; a product volume-calculating server for receiving the ordered product volume and the consumer's product volume, comparing the two product volumes, storing the difference of comparison in the consumer information database, and requesting the consumer to resettle the difference; and a payment server for firstly paying according to the order contract and secondly paying according to the resettlement request. |
