The construction, design and service activities in the field of construction with a focus on land, transport, underground, water supply and special construction. These buildings then are single-family houses, but also industrial buildings, roads, railways or bridges.

Production: -plastic air grates: -single, lockable: -with netting, angular -with venetian blinds -with netting, circular -door air grates -cover VM 150x60 -gravitational air grates -plastic bath doors.