Within the framework of the project titled “ Strengthening Institutional Capacity for Single Window Systems in the OIC Member States” being implemented by the Ministry of Trade of Sudan, a study visit has been made to Turkey between 27-30 May, 2018 and several meetings have been conducted in the Ministry of Customs and Trade of Turkey. In the study visit, Turkey’s experience on the electronic single window system process was shared with the participants. Findings of the study visit will be used in the training which will be later held on the same topic in Sudan.