2023 Int'l Conference on Composite Materials and Nanotechnology (CMN 2023) will be held from August 11-13, 2023 in Xiamen, China. This Conference will cover issues on Composite Materials and Nanotechnology. It dedicates to creating a stage for exchanging the latest research results and sharing the advanced research methods. CMN 2023 will be an important and reliable platform for inspiring international and interdisciplinary exchange at the forefront of Composite Materials and Nanotechnology. The Conference will bring together academicians, engineers, educators and policy-makers from all over the world, and we hope that you will take this opportunity to join us for academic exchange and visit the city of Xiamen.