Submission and Proceedings:Submissions can be processed using Iconf. Submission System, via this link: http://confsys.iconf.org/submission/ceac2021All accpeted papers will be published into IOP Conference Series: Materials Science and Engineering, which will be indexed by Scopus, Conference Proceedings Citation Index—Science (CPCI-S) (Thomson Reuters, Web of Science), Chemical Abstracts etc. == Speakers:Prof. Tan Kiang Hwee, National University of Singapore, Singapore;Prof. C. W. Lim, City University of Hong Kong, Hong Kong;Prof. Kyoung Sun Moon, Yale University, USA;Assoc. Prof Galina Gorbacheva, Bauman Moscow State Technical University, Russia.