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This paper presents a multiple criteria evaluation model for international multiple foundry partnership selection. In a multiple source foundry environment, the integrated circuit (IC) design house maintains partnership with several different foundries to diversify the risk of capacity shortage and natural disaster. To select a group of foundry partners, management culture, technology level and future growth are heavily interrelated. Therefore the fuzzy integral is used to evaluate the synthetic performance of the best partners. To show the practicability and usefulness of this method, a Taiwan consumer IC design house case was presented for evaluation. Results in this study not only confirm the practical nature of the proposed model, but also demonstrate the high flexibility in evaluation of a multiple criteria decision making (MCDM) problem.