On behalf of the IACT, we would like to welcome you to the 7th International Conference on Nanomaterials and Materials Engineering in Chengdu, China during April 26-28, 2019. It is mainly organised byInternational Academy of Computing Technology (IACT) and hosted at Sichuan University, China. This unique international conference provides a forum for academics, researchers and practitioners from many industries to exchange ideas and share recent developments in the field of Nanomaterials and Materials Engineering. Here we have an opportunity to collaborate and advance the theory and practice of major trends in Nanomaterials and Materials Engineering. We will also have an excellent opportunity to network with the leading scholars and practitioners.