At National Seal Systems we
have built a reputation over
the last 28 years as the
leading Irish suppliers of
innovative solutions
to the Irish building and
construction industry.
Grundmann are the premier handle and lock manufacturer in Austria. It was awarded DIN EN ISO 9001 in 1997.
This certification applies to the development, production and sale of locks, fittings and cylinders and is subjected to a strict evaluation every year.