On 22nd and 23rd of March Prospex Institute organised the second Value-Chain Workshop in Lyon. Regrouping stakeholders from across the value-chain, the aim of this second edition was to look into the viability of industrial symbiosis approach. With a focus on PET and Polyamide fibres the participants shared their views and insights of the market with the Resyntex team. Taking place in the beautiful apartment of MaPièce, the two-day event brought together people from different background with different focus and allowed for fruitful discussions and helpful observations to be taken on by the Resyntex team. The results of the workshop will be compiled in a comprehensive report and sent to the project team as well as to the participants.