In May, 2011 a planned external audit was carried out in OOO “Transconverter” held by ОАО “PK ”NEVZ ” and by the Center of technical Audit of OAO “RZD” to confirm fulfillment of GOST R ISO 9001-2008 «Quality management System»

In May, 2011 qualifying and operational tests of PSN100 U2 converter for passenger electric locomotives EP2K manufactured by OOO «Kolomensky Zavod» are successfully finished.