Certificate – WinMark – S10061-1    
    Certificate – WinMark – S10061-2    
Certificate ISO 9001-2015
Certificate ISO 14001:2015
Certificate ISO 45001:2018
Certificate GEZE S
Certificate Exterior Cladding
Certificate for membership in the Bulgarian Doors, Windows and Facades Association
Сертификат за партньор от Архитектурни награди BigSEE за проект Сграда 15.

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