Die Bahn
Suppliers rating Q1-Lieferant (L1-supplier) for Carbon brushes and Carbon Current Collectors (November 2008 - November 2009, German)
České dráhy, a.s. Tschechische Bahn a.g.
Certificate of quality of Pan Trac Carbon Current Collectors for rail vehicles (June 2007 - December 2008, German)
Deutsche Gesellschaft zur Zertifizierung von Managementsystemen (DQS Group)
Certificate of our Quality and Environmental Management System according to DIN EN ISO 9001:2000 and EN ISO 14001:2004
Certificate of our Occupational Health and Safety Management System according to OHSAS 18001:2007