Non-metal structural components for booths in fairs and exhibitions, namely panels, decorative panels, profiled connection rails, turnbuckles, supports, poles, double bottoms for the flush-mounted installation of prefabricated louvered ceiling elements, and wall connection nodes for use in supporting and bearing structures and ceilings; Non-metal panels, assembly panels and adjustable panel holders for the assembly of display facilities and exhibition booths; Multi layer plywood panels coated...