Contact: Ms. Suvy S.W. Li; Last date for abstract submission: 14/Jun/2019; Publication ICMMR 2019 will be published into IOP Conference Series: Materials Science and Engineering (Online ISSN: 1757-899X; Print ISSN: 1757-8981), which is indexed by EI Compendex, Scopus, Thomson Reuters (WoS), Inspec,et al.