Market foreground Nanhao OMR is being widely used in Vietnam, Turkey and Egypt etc. It is considered by the international E.S that it’s the necessary stage during the education development in every country to use OMR and to carry out standard examination. As the development of computer and requirement for the official automatic, more and more OMR are in needed. OMR has been widely generalized in Chinese colleges and high schools and it is being extended in elementary schools at a high speed. So the foreground of OMR is quite bright.