Established in 1995, NANHAO Group is a key national high-tech enterprise specializing in the independent R & D, manufacturing, sales and services of education information products in China. NANHAO Group has nearly 360 employees , and the factory covers an area 23,020 square meters, the office covers an area of 14,390 square meters. With the excellent experts as the backbone in the R & D, taking intelligent recognition as core technology, we succeed in developing Optical Mark Reader(OMR), Onlin.....