CERTIFICATION
Certificate of Conformity and Factory Production Control: UNI EN ISO 1090-1:2012
Certificate of Quality for Production of Heavy Metal carpentry, and Ribs for Galleries: UNI EN ISO 3834-2
Certificate of Quality for Production of Heavy Metal carpentry, and Ribs for Galleries: UNI EN ISO 9001:2008 CLASSE XCI-XC2
Certificate Center Transformation: N°338/10