Rapid technological development, shorter product life cycle, clockspeed competition, and increased outsourcing have prompted many firms to involve their suppliers in their product development process. There are many papers approaches the importance of both involvement suppliers in product development process and outsourcing process for competitive of firms. The literature, however, does not help us understand the relationship in more detail between outsourcing process and product development process. This paper examines the involvement of the suppliers into the product development process and the relationship between the outsourcing process and the product development process.