Demirsöz Automative was established under “Determ” trademark in 1975 by Ergin Demirsoz on on 1200 m2 indoor area in İstanbul.
Determ has been producing thermostats for automobiles, heavy-duty vehicles (trucks) and tractors.
Determ by having a wide range of product portfolio, is able to produce each and all components in its own facilities.
Determ is significantly distinctive from other rivals by being able to produce the blend –the vital part of a thermostat- used for thermal tubes; thanks to its know-how technology in its own facilities with its process control system during production.
The mission of Determ is to produce flawless, low cost but most efficient thermostats, to serves clients reliable and high quality products they have been expecting.
The aim of Determ, with its capacity to produce 100.000 pieces of thermostates per month, is to produce high quality and affordable thermostates by conforming standards and clients’ requests.
Determ has a serious share in auto parts’ market as a result of successfully continuing direct and in-direct, outbound and inbound trade activities.
With our on going activities, we are trying to improve existing sales network, while expanding domestic and international market share thanks to our experienced international sales team. The synergy we would carry out with our potential distributers in near future, would be useful for us and to our valuable customers.