According to a feature of the present invention, the company information collecting unit 110 for collecting company information including the contact information of each company name and the company terminals (210,220) operated by each company from the agency server 230 in which company-specific company data is stored; Through the above contact information, the company terminals 210 and 220 are requested to input the items to be sold and purchased items to be sold by the corresponding company, and product information including the items to be sold and purchased items input from the respective enterprise terminals 210 and 220 is provided. The product information management unit 120 that separates and collects by company; a company matching unit 130 that matches and extracts a plurality of companies whose sales products and purchased products are matched among each other among the companies using the collected product information; And a matching company notification unit 140 for sending and processing a notification message (M) guiding the company name and product information of the matched partner company to the company terminals 210 and 220 of the other company; is provided
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