All most 30 years, Divino Bortolotto,
developed a new traffic light, with the objective to informing
the time for the users, and this way reduce the anxiety and
increasing the drivers' safety and pedestrians of the road
system.
To market this equipment she began SDM
Commercial and Assembly of Electronic Components LTDA in
1989, company that it looks for above all the quality and
preservation of the life.
