builds up your ideas!


On cookies are used only to statistically analyze visits to our site.
The statistics are kept on file and will not be made available or given to third parties.
This site does not use third-party cookies.
Cookies are not used in any way to trace a profile of the buying habits of the visitor or to show or send advertising.
Through cookies you can not be traced to the personal data of the visitor, who therefore remain unknown.
However, each visitor has the right not to appear in our statistics disabling cookies in one of the following ways:
  1. by turning on a private browsing window or tab;
  2. by disabling the use of cookies in your browser settings, even limited to the site
Commercial policy
Ring lock system evolution
Utilities for technicians
Cookie policy
Privacy policy


QS Italia Srl - VAT number: IT06178380488 - F.p. corporate capital: € 30,000.00 - Founded in 2011