| 摘要 |
PROBLEM TO BE SOLVED: To promote the distribution of high transparency by freely setting participating/leaving, transaction destination selection and transaction conditions and to keep the security of oil or cement trade participants. SOLUTION: This trade supporting system is composed of a seller terminal 1 for sending the identification information of the seller of oil or cement and sale information, a buyer terminal 2 for sending the identification information of the buyer of oil or cement and purchase information, a trade supporting/ managing server 4 for presenting the sale information or purchase information sent from the seller terminal 1 or buyer terminal 2 so that a participant to be participated as a seller or buyer can refer to temporarily determined contents, temporarily determining trade on prescribed conditions after the request of purchase to the said sale information or request of sale to the purchase information is accepted for a fixed period, and judging the establishment of trade on the basis of the confirmation of temporarily determined contents by the participant, a manager terminal 3 for confirming the judgement of trade establishment and an open network 5 with which respective terminals can mutually transmit respective kinds of information. |
