11.09.2018 Al-Ettifaq FC manager Mr. Leonardo Ramos speaks highly about DUOL new air dome in Al Khobar, Saudi Arabia.
14.08.2018 New generation DUOL air dome has been built in Switzerland with energy-efficient DMS 2x2 membrane system and state-of-the-art ventilation/heating system.
28.06.2018 Duol d.o.o. je pridobil sofinanciranje operacije E-DUOL Vzpostavitev in nadgradnja elektronskega poslovanja v podjetju Duol.