ISO 9001:2015 certification: Implementation of a structured and continuously audited quality management system
2022
TISAX Certification: Industry-specific standards for information security in the automotive industry (The results of the successful TISAX assessment can be found on the ENX portal)
2018
Founding of the Prüfstandservice Lenting GmbH
2016
OHRIS Certification: Integration of a management system for health, occupational safety, and plant safety
2015
Founding of the AZL Technology Center GmbH
2013
Roller test bench 3 commences operation
2010
Extension “North” for mechanics workshop and acoustic measurement room
2009
Extension “West” for Office and roller test bench 2
2006
Completion of production hall for test bench construction
1999
Founding of AKUSTIKZENTRUM GmbH: Development and construction of on-site acoustic all-wheel roller test bench in Lenting
1998
Start of engineer office for automobile acoustics ZEHNER GbR
Associates: Dr. Hartmut Bathelt and Michael Zehner
1 x engineer, 1 x vehicle mechanic, 1 x multi-channel measuring system (LMS Roadrunner)
