Nanhao group

We are a leading OMR Scanner Manufacturer in China , Our main products are: Optical Mark Reader (OMR), OMR Info-forms, and OMR software! Optical Mark Reader (OMR) is a high-tech data input device integrated optical and electrical technology. It is a powerful tool for speedy automatic data capture, thousands of data bytes per second, several hundreds of times faster than manpower, especially it can work for a long time without break. Application fields: school examinations, a

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