WSS provides long-term experience and know-how in developing and manufacturing locks and fittings for steel-, aluminium- and glass-constructions. Standard or special solutions WSS components for windows, doors, gates as well as panic- and ventilation systems concentrate on the demands and requests of sophisticated customers. Costumer demands and requirements are the centre for WSS. Excellent service, high flexibility, assured quality (DIN EN ISO 9001:2000), excellent delivery service, future-oriented innovations, belong to the basic operating principles for WSS.