whiteboard large size. A unit that locates electronic whiteboard technology. Compared with other companies, the price of the product produced by the company is only 1/2-1/3 of the foreign similar products , the price is mostly 18,000 yuan, and the annual sales volume is about several hundred. The product has strong competitiveness. In addition, the laser technology electronic whiteboard will be available in late 2008 , which will further consolidate the leading position of Company A. In view of the wide range of applications of this product, there are more than 300 million people in China, so this product will have huge market potential in China.. 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.