1970 - 1976 - 1979
1970
Move to the new workshop and installation of the first machines for working wood with the help of unskilled workers. Begins specializing in the production of window frames.
1976
The individual firm becomes ISAM, which stands for "Industrie Serramenti Arredamenti Mariolini" and opens the first exhibition space for the direct sale windows and furniture.
1979
Move to new plant via Artigiani. The investments are aimed at improving product quality with the purchase of CNC machine.
