- TÜV SÜD: AD 2000 HP 0, DIN EN 13445-4, DIN EN 13480-4, DIN EN ISO 3834-2
- DIN-EN-ISO- 3834-2
- TÜV SÜD EN-1090-2
- TÜV SÜD ISO 9001:2015
- TÜV SÜD: Modul H/H1
- ASME VIII Div. 1 (U-Stamp)
- ASME VIII Div. 2 (U2-Stamp)
- Lloyd´s Register (LR)
- Bureau Veritas (BV)
- Germanischer Lloyd (GL)
- South Korea Ministry Of Knowledge & Economy (MKE)
- Manufacture License of Special Equipment P.R. China (SELO)
- The National Board of boiler & pressure vessels inspectors (NB)
- TRZU 032-2013 (Russland)