UNA s.r.l. was born from the co-operation between Gualini Spa and Aluk Group Spa.

The section system The UNA window profile system, characterized by the structural bonding of the glass to the shutter, has been designed by AluK Group, a leading company in the design and manufacture of systems for aluminium frames and curtain walls, with a consolidated presence in Eastern Europe and Asia. Since 2011 AluK Group has been an integral part of the French group Valindus, a leading company in the production and distribution of systems for door and window frames.

The production technology was developed by Gualini, a leading company in the production of metal frames and curtain walls. Gualini's headquartershost the fully automated production line which is exclusively used to assemble UNA door and window frames.It is one of the production plants featuring the highest automation rate ever found in today's market.