78 people participated in this conference organized by SFIP, INSA Lyon and IMT Lille Douai, in collaboration with SF2M Sud-Est. 23 conferences was given both by industrialists from all fields, and academics. This conference was composed of three sessions: Materials, Performances and Processes. After the 2016 Symposium dedicated to prototypes, the 2019 Symposium was dedicated to serial production, which is the current evolution of these technologies.