Publication and Indexing: 1, ICNNN 2020 conference proceedingsICNNN 2020 conference proceedings will be published, included as one volume of Materials Science Forum as well, "Materials Science Forum" is one of the largest periodicals in its field, which will be indexed by Ei and Scopus.ICNNN 2019 confereence proceedings was indexed by EI & ScopusICNNN 2018 confereence proceedings was indexed by EI & Scopus....2, JournalSpecial issue: Micromachines (ISSN 2072-666X); Impact Factor: 2.426 (2019) ; 5-Year Impact Factor: 2.480 (2019)Special issue: Journal Materials (ISSN 1996-1944; Impact Factor; for 2015 is 2.728; )More information, please visit: http://icnnn.org/ ==Submission ways:Please send your full paper or abstract to submission system: https://easychair.org/conferences/?conf=icnnn2020