Qualification
All the products of BSI comply with the national standard system of electronic machinery and electric electromagnetic locks, and American National Standards Institute (ANSI) or Building Hardware Manufacturing Association (BHMA) requirement.
The products of BSI entirely accord with the authentication of the U.S. Underwriters’ Laboratories (UL) and fire prevention. As for the emergency exit products, it complies with the U.S. Public Security Physiology Disablement Safeguard.