| 摘要 |
PURPOSE: A joint buying method between companies of an industrial material having various specifications is provided for preventing any damage of a joint buying requester and implementing a fair joint buying. CONSTITUTION: A web page(10) includes a summary description blank(11) which is divided into a plurality of cells with respect to a fabrication item information and each fabrication item which are fabricated by each company. The summary description blank(11) is filled with a fabrication company(selling company) name by the name of items of each industrial material, a joint buying possible period and a joint buying minimum limit amount. In addition, a joint buying state is displayed based on the joint buying period.
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