All the production enterprises of JSC Zheldorremmash (controlled by Locomotive Technologies LLC) have successfully passed the business management system audit for conformity with requirements of International railway industry standard IRIS in 2013. In 2016 the compliance with the requirements of IRIS has been confirmed in a re-certification audit. IRIS certification process is based on the approach, which provides the separate certification of each site.

The basis of the international standard IRIS is formed by the principles of ISO 9000, as supplemented by the specific requirements of the railway industry. The purpose of IRIS is the generation and implementation of the effective management system of enterprises of the railway industry, which allows to ensure high product quality.