Exhibition Booths | GCD – Custom Display Stands, Shell Schemes & Joinery For Exhibitions by Gcdex Published: April 1, 2024 (2 months ago) Category Business Link https://www.gcdex.com.au/shell-scheme-upgrade-booths/ GCD Exhibitions use the Octonorm building system to build the booth structures for trade shows and exhibitions that allow the exhibitor flexibility. Contact Us!