In September 2023, authorized representatives of Russian Railways carried out a technical audit of the manufacturing system of Transconverter.

As a result of the successful completion of the technical audit, certificate No. RZD.T.0199-10/23 was issued, which certifies that the manufacturing system of Transconverter provides the required level of quality of manufacture and repair of static converters of its own production.

This Certificate was issued until September 13, 2025.