- ISO9001 certificate (2003)
- ISO9001 certificate (2006)
- ISO9001 certificate (2009)
- ISO9001 certificate (2011)
- ISO9001 certificate (2012)
- ISO9001 certificate (2015)
- ISO9001 certificate (2018)
- ISO9001 certificate (2021)
- ISO9001 certificate (2024)
- MID Quality Certificate #0119-SJ-A006-07
- MID Quality Certificate #0119-SJ-A006-07, revision 1
- MID Quality Certificate #0119-SJ-A006-07, revision 2
- MID Quality Certificate #0119-SJ-A006-07, revision 3
- MID Quality Certificate #0119-SJ-A006-07, revision 4
- MID Quality Certificate #0119-SJ-A006-07, revision 5
- MID Certificate of Quality System #0119-SJ-A006-07, revision 6 (10/2016)
- MID Certificate of Quality System #0119-SJ-A006-07, revision 7 (6/2017)
- MID Certificate of Quality System #0119-SJ-A006-07, revision 8 (3/2021)
- ATEX Quality Assurance Notification (2002)
- ATEX Quality Assurance Notification (2005)
- ATEX Quality Assurance Notification (2008)
- ATEX Quality Assurance Notification (2008 supplement 1)
- ATEX Quality Assurance Notification (2011)
- ATEX Quality Assurance Notification (2013 - supplement1)
- ATEX Quality Assurance Notification (2014)
- ATEX Quality Assurance Notification (2017)
- ATEX Quality Assurance Notification (2020)
- ATEX Quality Assurance Notification (2023)
