Patent ID: 7464049

Claim:
A product ordering system for supplying products from a production source to a plurality of dealers in response to orders requesting supply of the products, which are placed by the plurality of dealers, according to an order in which the orders are placed, comprising: estimated sales quantity-setting means for setting in advance an estimated sales quantity of the products to be sold during a predetermined time period, for each of the dealers; upper limit value-setting means for setting an upper limit value of an order quantity during the predetermined time period, for each of the dealers, according to the set estimated sales quantity and a predetermined coefficient, wherein the predetermined coefficient is determined based on a type of a product and at least one selected from a group consisting of a suppliable quantity of the products and a delivery time of the product; ordering means for placing the orders for the products from the plurality of dealers with the production source; cumulative order quantity-calculating means for calculating a cumulative order quantity during the predetermined time period, for each of the dealers, based on the orders placed by said ordering means; and order quantity-limiting means for limiting orders for the products in excess of the limit value by the dealer, by comparing the calculated cumulative order quantity and the upper limit value with each other.