... colors 2.2011 new led writing board 3.CE & RoHS 4.best to advertise writing board. led writing board is most often used ... : Suocai Electronic Technology Co,Ltd is a professional LED fluorescent handwriting board manufacturer with 4 years experience in China, offering ... features. Product thickness of 1.4cm, board thickness 1.5mm, applicable all kinds of display rack display, or directly on the wall, ...