This paper presents an empirical investigation to determine important factors influencing on selection of petrochemical market. The survey has accomplished among 97 randomly selected experts in petrochemical industry in Iran. The survey designs a questionnaire and distributes it among some experts and using binomial test; it has confirmed that except one factor, cultural affairs, other issues including political, cultural, regulations, economic, infrastructure, market potential, buyers’ potentials and buyer’s positions influence on market development. The implementation of Freedman test has indicated that Buyers’ positions are number one priority followed by buyers’ potentials, rules and regulations.