Manufacture and trade of windows, as well as installation and repair of windows, glass, kitchens, doors, and laminate; construction and renovation work of all kinds; import and export of and trade in goods of all kinds; acquisition, development, encumbrance, rental and sale of properties and land; establishment of branches in Switzerland and abroad, participation in other companies, acquisition and establishment of companies, as well as entering into other business transactions, concluding contracts and carrying out financial transactions that are suitable for promoting the purpose of the company or are directly or indirectly related to it.