longstanding manufacturer of doors and the adhesive experts of Jowat Polska can already look back on more than a quarter century of cooperation. Long tradition of [...] between the two companies began in the fall of 1996, after the companies had already interacted with each other a few times at different trade fairs. The main [...] probably say that all doors sold by PORTA since 1996, along with the majority of steel leaves, were manufactured using Jowat products”, Małgorzata Labuda conjectures
https://www.jowat.com/pl-PL/szczegoly-newsroomu/a-partnership-that-opens-doors/