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Recently, the situation of the new product development has been drastically changed. Also, the analysis of PDM has long been interested by researchers. Industries begin to require the PDM which integrated design and manufacturing information concurrently to reduce the delivery time to market of new products. However, current commercialized PDM tools have drawbacks in representing as relational data bases a variety of data types such as CAD files, images, long text, etc. The proposed model describe the relationship between PDM on the real time information management according to design changes and the factors of production such as BOM.