The experience gained in the field of roads practicability allowed Oberosler to deal successfully with the construction of large underground structures. With the creation of new tunnels and renovation of the existing ones, the company expanded its range increasing also its competitiveness.
The experience gained in the field of roads practicability allowed Oberosler to deal successfully with the construction of large underground structures. With the creation of new tunnels and renovation of the existing ones, the company expanded its range increasing also its competitiveness.