OT-SA was founded in 1980 to meet spare parts needs of automotive industry. Currently we are manufacturing thermal viscous fan clutches, fan blades and pulleys for generators. We mainly sell pulleys to OEM companies in Turkey and Rebuild Companies in Europe. And for the fan clutches we manufacturing for aftermarket. Beside of this we still make deal some OEM companies in Turkey and abroad. For more information please visit our website : www.ot-sa.com