Hebei Nanhao Information Industry Co., Ltd. is a high technology company focus on researching, developing and manufacturing educational instruments including Interactive Whiteboards,Optical Mark Readers (OMR scanner), Online Scoring systems and related software in China. Our main products are: Interactive Whiteboard, OMR(optical mark reader),OMR Info-forms, EPC(low cost computer) , NC(Network Computer) and Software products etc. It is also the largest manufacturer  of Optical Mark Readers (OMR ...