CERTIFICATESdavid.m2021-06-18T07:30:45+02:00 Welding certificate according to standard STN EN ISO 3834-2:2006 Welding certificate according to standard STN EN 15085-2 Quality management system according to ISO 9001:2016 Certificate of railway rolling stock maintenance provider Certificate of the entity in charge of maintenance Czech Safety Certificate Part B Czech Safety Certificate Part B Czech Safety Certificate Part B Hungarian Safety Certificate Part A + B Hungarian Safety Certificate Part A + B Hungarian Safety Certificate Part A + B European railway license European railway license Quality policy