glass notice board suppliers. In the research and application of electronic whiteboards, most of the foreign researches focus on the use of interactive whiteboards. Some studies also involve pedagogical problems in interactive whiteboard applications, case studies of teaching applications, but interactive electronic applications. There are few comprehensive studies on the design, implementation, and evaluation of whiteboard teaching. There are more researches on the promotion and teaching application of electronic whiteboards in the UK than in other countries in Europe and America. British Education Minister Charles Clarke has strongly recommended the application and promotion of interactive whiteboards in basic education in the UK, and allocated ??50 million for the 2003-04 fiscal year and the 2004-05 financial year. Primary schools expand their interactive whiteboard equipment program.. 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.