Today, the 25th of October the first BELS+ Call for Expression of Interest to participate in the GNSS Demo Centre at the NAVIS in Hanoi was presented at the BELS+ Cluster Event in Munich, at the bavAIRia e.V. premises in  from 13.30h to 16.00h. European companies that took part to the previous BELS project and carried on test activities at the NAVIS centre in Vietnam shared their experience with local german participants answering to their questions and helping them to understand the potential of the NAVIS Demo Centre.