SILE&SUN

Building materials, not of metal; concrete building elements; rigid pipes, not of metal, for building; asphalt, pitch and bitumen; buildings, transportable, not of metal; monuments, not of metal; prefabricated concrete protective elements, especially for traffic and noise protection; non-metallic barriers, fences and elements for road protection, for direction of traffic, for traffic detours and for road pavement separation; supports for traffic signs, not of metal.

Construction; installation, maintenance and repair services of noise barriers; servicing of noise barriers.

Scientific and technological services; scientific research; design services; technological analysis services; design and development of computer hardware; software development; construction drafting; conducting technical project studies.