QUALITY APPROVALS

OSTP’s tubular products have a good reputation and are known for their reliability and high product quality. In addition to our satisfied customers, the proof of this lies in our quality certifications.


Lloyds approval

DNV GL

PED 2014/68/EU

Bureau Veritas

RINA

Achilles

Nuclear Installation

WRAS

  • Jakobstad and Örnsköldsvik

DWI