Hosted October 26-29, 2020 81st  Conference On Glass Problems Takes Place At The Greater Columbus Convention Center In Columbus, Ohio. Organized By GMIC And Alfred University, The GPC Is The Largest Glass Manufacturing Conference In North America, Attracting Glass Manufacturers And Suppliers Worldwide To Exchange Innovations And Solutions. The Conference Provides Expert Lectures, Panel Discussions And Focused Courses, Along With Exhibits And Social Events.