| 摘要 |
PROBLEM TO BE SOLVED: To carry out trading in futures of standardized commodities on a communication network such as the Internet. SOLUTION: A user terminal 10 accesses commodity information which a commodity sales control system 20 provides on the network 100, displays the commodity information on a screen and transmits purchase order information which is information of a commodity a purchaser desires to purchase to the commodity sales control system 20 through the network 100. The commodity sales control system 20 is controlled by a commodity seller or an enterprise group to carry out commodity sales, constituted of an information processor of a work station server, etc., receives purchase order information delivered by the user terminal 10, confirms existence of mismatching with contents concerning previously registered dealable commodities, a limit value, etc., transmits the purchase order information to a commodity dealing market 30 when there is no mismatching, receives dealing result information to be transmitted from the commodity dealing market 30 and transmits the dealing result information to the purchaser by electronic mail, etc. |
