INVENTRA company held the 13-th international conference «PETF 2017». Polymetrix, Uhde Inventa- Fischer, Starlinger Viscotec, MAAG Automatik, Erema and Moretto were the partners of the event . Support was provided by Nordson, DAK Americas and PETplanet. «Tara i Upakovka» magazine - the informational sponsor of conference