References
Letter of recommendation by Federal Directorate for Safe Storage and Destruction of Chemical Weapons (rus, eng)
Letter of recommendation by NITOL Group (rus, eng)
Letter of recommendation by OOO Russki Kremni (rus,eng)
Letter of recommendation by ZAO Cable works Kavkazkabel'(rus, eng)
Letter of recommendation from the self-regulatory organization 'INTER-REGIONAL ASSOCIATION OF PROJECT
SPECIAL CONSTRUCTION ORGANIZATIONS' (rus, eng)
