Autodíly Tria s.r.o.
Kladno - Dubí
Kladno - Dubí
Skalice nad Svitavou
Staré Město
Kunín
Svitávka
Evolute springs are an important spring and damping element, they are used mostly in railway vehicles, but also as an integral part of a number of machinery devices. An expert in the production of evolute, i.e., conical band springs, is the SV výrobní company located in Prostějov.