Double certification refers to the consular certification of the Ministry of Foreign Affairs of China (i.e. single certification) and the consular certification of the Italian Embassy (i.e. double certification).
You should make your bachelor's degree certificate, university report card and course description into a notarial certificate with Italian translation, and then do double certification.
You don't need a diploma to apply for Italian graduate students.
17 (this Friday) will close this forecast name. Theoretically, if we don't do it tomorrow, it will definitely be too late.