Touch Screen Kiosk, Interactive Whiteboard, Advertising Player manufacturer / supplier in China, offering Durable 4K HD Touch Smartboard Panel 55 65 75 85 Inch Interactive Whiteboard for Remote Learning Training and Conference Use, Custom 4K UHD Touch Screen Electronic Whiteboard 55 65 75 85 Inch Smart Interactive Display for Education and Office Solution, High Performance 4K HD Interactive Flat Panel Touch Screen Smart Board 55 65 75 85 Inch for Digital Teaching and Meetings and so on.