The present invention relates to a kind of systems, for selling a set of dynamic equilibrium suitable for couple. The present invention includes the following contents: registration module is used to receive registration commodity product(s) information from branch; Comprising modules constitute predetermined group and are suitable for a couple by those of being registrated product between combination at least two groups; It is being sold for announcing with sales mix complete product with module is sold. The system for sell it is a set of be adapted to, by proposed by the present invention, branch can be effectively promoted improve the effective sale rate of its product and use them receiving product information from the coupling in branch by selling combined complete product. The purchase individual product of buyer is spent to buy a set product due to buyer furthermore, it is possible to save time and efforts. In addition, it is proposed, according to the invention, this group of product is uploaded and sold and arrive when the right time, therefore the product set of interest and attention can be appearance. Moreover, sale can be by the group of sale predetermined quantity. ;The 2016 of copyright KIPO submissions
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