The aim of this study is to identify the role of specialized network on product innovation in hi-tech industries in addition to promote studies related to the field of network and innovation, the status and impact of different variables of specialized networks and their impact on product innovation to be determined by this approach. Hence, in the present study, the impact of specialized networks dimensions - including research and development (R & D) and market research - on product innovation has been identified by considering factor of "trust" as a moderator in the organization existing in the hi-tech industries. Statistical population of the study includes of 350 employees, experts, senior executive managers in the organization existing in hi-tech industries that 162 persons were selected by Cochran sampling. The purpose of this research is functional and has been conducted by correlation. In the present research, a Likert Scale questionnaire was used to collect data. The analysis of research data has been done using SPSS 19 software and Smart PLS software. The research findings confirm the significant impact of specialized network on product innovation in hi-tech industries but the moderator role of trust variable and its impact is not confirmed.