This year METROONLINE conference was in INFERNO style. After a successful presentation by Tech-Arrow (Jozef Végh/COO) and Thomas-Krenn (Martin Stöckl/International Sales), guys got a lot of question and positive feedback. In the evening the conference continued in a Blue Sapphire pool (AquaCity Poprad) with laser show, Metallica played by a local band, and other special programs…