die Expansion des Unternehmens – war die Erfindung und Patentierung der mechanischen Systeme GPI und MCS, vor mittlerweile vier Jahrzehnten. Sie sind bis heute von enormer Bedeutung für die Entwicklung der

an important milestone in the company's expansion - was the invention and patenting of the GPI and MCS mechanical systems, which are still important today, four decades ago. But the permanent further d

The tried and tested magnetic technology is still popular despite 3D printing. A milestone in EVVA's history, which still offers an unparalleled level of security and is 100% copy proof.

Maximum security demands maximum precision. EVVA manages many millions of cylinders and keys as well as several hundred thousand locking systems for companies, public institutions and private individu