On Dec.20, 2022, National Science Library of CAS published the 2021 table of journals in which the English journalEnergy& Environmental Materials(EEM) sponsored by ZZU was selected into the first class in material science and as the top journal of engineering technology. This is the best record made by ZZU in the journal classification by CAS and a sign of EEM’s growing international influence and of the sufficient recognition by international academic community.