Door factory at Safenwil holding 64 live VKF recognitions across Brandschutztüren (32), Brandschutztüren mit Verglasung (26), vertical fire-rated glazing (5) and one movable shaft front. It develops functional doorsets combining fire resistance with burglary, acoustic, climate and radiation protection in single and double-leaf swing and sliding forms, and sells principally through Swiss joiners rather than direct.