Zhengzhou Zhengdian Electronic Technology Co., Ltd. is a science and technology-oriented enterprise engaged in researching, developing, producing, and selling led writing,writing boards,led boards,write board,menu board,led display,display board,led sign,led massage boards.Our fluorescent LED writing boards are composed of stylish aluminum frames, high-hardness and transparency ultra-clear glass, multi-color LED high-light strips and micro controllers. We can use special fluorescence mark pens to write on the conductive......