The research in this paper seeks ways for manufacturing companies to accomplish projects in real time with less cost. This paper describes a new model using critical success factors of implementing projects in small- and medium-sized enterprises (SMEs). The factors in the conceptual model were identified in past studies and are validated from interviews with 20 project managers in the electronics industry in Iran. Several prior researches have suggested critical success factors for reducing time and cost in the development of a new product. These factors are.