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On the basis of analyzing defects of two tiers& tree-tiers architecture database system, a SOA-based, multi-tiers and distributed architecture is put forward according to application characteristic of nonferrous metal database[2],[3].The model is focused on the problem of the following aspects to solve: the first, using new technologies in software development.The implementation based on the RIA-client in the non-ferrous metals database system, which is assimilated the advantages of "fat client" and "thin client" to solve the deployment of traditional client-side or dynamic graphics rendering.