-1995: ISO 9002 quality system certification
-1995: Quality System Certification of Mitsubishi Heavy Industries of Japan.
-1996: German Thyssen supplier system certification.
-1996: national first-class metrological technical unit certification.
-1997: French Snecma quality system certification.
-1997: ISO10012 perfect measurement and testing system certification.
-1999: foreign trade import and export qualification certification.
-2003: ISO900 1 quality system standard certification.
-2003: AS9 100 certification of aviation enterprise quality management system standard.