Member of self-regulating organization “SOYUZ”

GOST Russia Certificate of Conformity ISО 9001-2015

Welding laboratory certification 2017

National Agency for Testing and Welding certification – welding program for automatic submerged-arc weldingin bridge conduits

National Agency for Testing and Welding certification – welding program for manual arc welding in structural steel.

National Agency for Testing and Welding certification – welding program for manual submerged-arc welding in bridge conduits

National Agency for Testing and Welding certification – welding program for flux-cored arc welding in bridge conduits