ayone Tarabar Gostar Iranian Co. (STG) is a leading trading company mainly active in the field of Railway Fleet Equipment for Urban, Suburban and Exterior trains, wind and gas turbine generators, airport equipment, and CHP machines (Combined Heat and Power). In the meantime Sayone is also involved with supporting the clients with their required spare parts, and also supplying after sales and maintenance services. Enjoying from the collaboration of a group of highly professional experts who are all trained with the latest international technologies, STG company is supplying the products of some of the most well-reputed companies as their exclusive representative in Iran.