| 摘要 |
PROBLEM TO BE SOLVED: To improve the efficiency of price setting and management by solving problems in a conventional case that conditions are presented between a purchaser and a seller in writing at the time of purchase condition determination for commodity purchase and commodity price estimation for product design. SOLUTION: A purchaser terminal 11 and a seller terminal 15 are connected to a server 13 through communication means 12 and 14, and commodity information and a purchase condition which are inputted by the purchaser and a sale condition which the seller inputs in response to the input of the purchaser are compared with each other, and seller information is transmitted or an order for purchase is made from the server 13 to the seller in the case of agreement between purchase and sale conditions. Design data of a CAD system 51 is transmitted to a server 54 through a communication means 52, and a selling price is estimated by standard parts and worked parts estimation means 59, 60, and 61 provided in the server 54, and the selling price estimated in the server 54 is synthesized with design data and is displayed. |
