ICMEN History:ICMEN 2020 was finally held successfully in virtual with much expectation form during November 20-22, 2020 . ICMEN 2019 was successfully held in Chongqing University, China during July 18-21,2019(indexed by Ei Compendex and Scopus) ICMEN 2018 was successfully held in Tokyo University of Science - Tokyo, Japan during July 19-21,2018 (indexed by Ei Compendex and Scopus) ICMEN 2017 was successfully held in University of Malaya - Kuala Lumpur, Malaysia during May 12-14, 2017(indexed by Ei Compendex and Scopus) ICMEN 2016 was successfully held in National Taipei University of Technology - Taipei, Taiwan during May 21-23,2016(indexed by Ei Compendex and Scopus) ==Publication:All submissions will be peer reviewed, and the accepted papers will be published in the Materials Science Forum (ISSN print 0255-5476 / ISSN web 1662-9752), indexed by Elsevier: SCOPUS, Ei Compendex (CPX). ==Please submit your full paper: http://confsys.iconf.org/submission/icmen2021