Suspension systems, leaf & parabolic springs. DOSEMENLER Leaf Springs producing quality springs for commercial vehicles. Our wide product portfolio – parabolic springs, beam springs, multi-leaf springs including accessories. DOSEMENLER Leaf spring has focused on progress by the means of enhancing unique technological improvement regarding friction materials beginning with its establishment in 1988 in Bigadiç and has moved to its new facilities in 2013. DOSEMENLER Leaf spring, with facilities established on a plot of 20,000 square meters with a total covered area of 10,000 square meters, produces friction materials with the contribution of its genuine technology and specialist staff.