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In order to considering the related demand of manufacturing, use, maintenance in the process equipment design, to ensure timely response in the course of weapons and equipment status changes, based on analyzing the life cycle characteristics of the process equipment models, the requirements of product-oriented process equipment models are summarized, the definition of product-oriented process equipment models is put forward, and the incidence relation of the process equipment models and the product model is emphatically pointed out. Finally the implementation method of product-oriented process equipment models is introduced to timely response the weapon equipment state change.