PPC Spring Conference Offers Carton Manufacturers a Virtual Taste of Denver The meeting will bring together leaders in the folding carton space to cover critical topics such as sustainability, economy, and leadership. Login or register now to gain instant access to the rest of this premium content! If not for the pandemic, members of the Paperboard Packaging Council (PPC) would be traveling to Denver this March for the association’s 2021 Spring Outlook & Strategies Conference. While the event will be held virtually, March 24 – 26, the folding carton industry executives in attendance will be treated to a virtual tour of Denver, featuring the city’s vibrant art scene, alongside excellent speakers and virtual networking.