Interpipe Niko Tube, Interpipe NTZ and Interpipe NMTZ have successfully passed the audit and prolonged the validity of certificates to use the API sign till 2022.
The re-certification audits at the plants have been carried out by API specialists. They have inspected the enterprises’ correspondence to API Spec 5CT and API Spec 5L, as well as API Spec Q1.
As a result of the audit the specialists have confirmed the high level of Interpipe plants and extended the validity of certificates. (Ukrainian metal)