▪ TUV-CERT- ISO 9001 : 2000 .
▪ TUV-CERT- ISO 14001 : 2004 .
▪ A certificate from CIAT company acknowledge that Air handling Units range ZE Manufactured by Zaim Engineering company are made according to the actual state-of-the-art, and in following the CIAT designing guidelines and general manufacturing rules.
▪ A certificate from COMEFRI Company acknowledge that Blowers Enclosures assembled at Zaim Engineering company are made according to COMEFRI standards and manufacturing rules.