Safety devices require a high standard in development and in production!
Important components are:
new developments are made under reflection of actual requirements and knowledge (new technologies, conformity with national and international standards, practical documentations)
testing of development by approved test institutions
national approvals (German PTB or DIBT, Swiss: CSEM, Polish Prochem and many others)
checking of delivered goods
continuous production checks
final production test, piece by piece, with documentation
production monitored by the German TÜV
certified quality managing system in accordance to DIN ISO 9001