| 摘要 |
PROBLEM TO BE SOLVED: To make buying systems of a user company and an agent buying company common. SOLUTION: A user company terminal 1 and an agent buying company terminal 2 are connected to a common buying system 3 through a communication network 8. The common buying system 3 includes a user company buying system 31 and an agent buying company buying system 32, which are coupled with each other through a transmission line 33. Both the companies can, therefore, share information regarding buying, e.g. buying request data and bought article reception data that the user company sends and further data on the buying sources, prices, past record of buying, etc., of bought articles that the agent buying company holds. |
