Alter was established by Justyn Bujwicki in 2011 following his passion for steel. Steel’s
complex production processes and its unique construction abilities have determined the
company's profile and its main focus since day one.
Alter specializes in projecting and production of steel constructions for warehouses
and industry halls and is a manufacturer of aluminum sills and mounting brackets.
Process of construction's design and production is done in EXC3 class according to EN
Projecting and building production hall