Manufacturing in collaborative networks is an attractive strategy to cope with volatile customer demand. Not only high volume but also single item manufacturer have to deal with this challenge. To make matters worse, single item manufacturers do not have reliable data regarding process time to collaborate in this type of networks. This research analyzes the application of type representative method in collaborative networks of single item manufac-turers. The method simplifies the calculation of unknown process times. In this paper, the authors suggest the determination of a factor f, which describes features of enterprises in collaborative networks and helps to improve the calculation of cost.