The steel quality control system meets the ISO 9001-96 standard and is certified in the GOST R and TUV CERT systems. Forged shafts from carbon and alloyed steels have the following international certificates - "DNV", "Lloid" and the "U" category.
GOST ISO 9001-96
GOST ISO 9001-96
Lloyd
SLV
SLV
SLV
TUV-CERT
DNV