Tandem International is your import and export partner .Installed in Tunisia ,we are specialist in oil and gas transportation services. We are present in zarzis free zone through our own branches and represented througout the world by competent and experienced partners. Zarzis Free Zone is the best place for Oil & Gas companies to operate : - 60 Km from the international Airport of Djerba - Only 70 km from Lybia and 440 km from Hassi Messaoud Algeria.