| 摘要 |
PURPOSE: A remodeling system through the Internet and a control method thereof are provided to be capable of easily upgrading a user's used computer with a suitable and objective compensating price without visiting a selling agent and reducing the buying costs. CONSTITUTION: A product management system(100) comprises a product registration DB in which seller registers the prices of exchange products and compensating products, and a compensation exchange price DB. In a remodeling proposal system(200), a buyer performs a compensation exchange selling through a remodeling proposal system contents, a buyer input the specification of his used computer, optimum PC specification is proposed with a plurality of methods, the proposed specification is compared with those of products of other companies. The ordering specification of the buyer is stored in an order management system(300), which performs buying and selling processes for only payment completed orders. A group buying system(400) performs a reverse auction together with assemble PC companies and E-commerce companies. A selling management system(500) transmits the prices of exchange/compensating products calculated by the order management system to the DB of the product management system.
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