- In July 2000 C.S.E. obtains the Quality Certification according to UNI EN ISO 9002-1994
- In March 2003 the C.S.E. migrating to the new system quality, obtaining the certification according to UNI EN ISO 9001 : 2000
- In 2009, the C.S.E. is activated for the update of its Quality System to obtain in 2010 the new certification according to the UNI EN ISO 9001:2008
- In 2018 C.S.E. obtains the certification of its Quality System according to UNI EN ISO 9001:2015
