Weisseco Company has performed projecting and production installation works in the “DoubleTree by Hilton” hotel of “Hilton Worldwide” international hotel chain that has been constructed in Yerevan. It has been opened at July 18, 2015. Weisseco Company has performed the preparation and installation of facade glazing, as well as of automatic doors, metal plastic doors and windows, aluminum doors and windows, glass railing systems.