Amma is Quality System certified since 1996. Here you can download the certificates.
Amma is also DNV-GL Approved Manufacturer for gear and shaft forging.
Furthermore, our lab operators are certified:

for Magnetic Particle Inspection in accordance with SNT-TC-1A ed. 2006 and UNI EN ISO
9712: 2012

for Ultrasonic in accordance with UNI EN 473 and ISO 9712