In this memory, the authors wonder how their status as manufacturers has facilitated the establishment of their transmission activities within a reconstruction project in Tezoatlan. In the first part, the authors report on their first months of experience in Mexico, the projects in which they are involved and the development of their thoughts on construction and valorisation, awareness raising, dissemination and training. The second part of the memory focuses on a reconstruction project within the community of Tezoatlan Segura y Luna.