interactive whiteboards projector. Returnstar Interactive Technology Group Co., Ltd(Stock Code 836453), with IQBoard as the main brand, dedicated into educational industry since 2006. As time goes by, business solutions are taken into another developing direction. However, I??d like to talk more about our educational industry roadmap as for concerns of Intelligent Schools.. The IQAio GR519 is an upgraded lightweight version based on the original IQAio GR511. The original dual-cavity structure was changed to a bottom-edge structure, so that the minimalist design accommodates modern classrooms and conference rooms. With one IQProjector V2 and one IQView E3821, you can achieve flexible and intelligent classroom.