- Nanhao Grou
- exam marking, OMR, optical mark reader, scanner.
- Address:Changming Hengshui, Hebei
- Scietech Company Limited
- Document Scanning,Questionnaire,Scanner,Data Entry,Data Conversion,OMR,OCR.
- Address:9 / F. , Rm H2, Block H, Ka Ming Court, No. 688-690 Castle Peak Road, Lai Chi Kok,
- NANHAO GROUP
- infrared touch interactive whiteboard, touch sensitive whiteboard, electromagnetic interactive whiteboard, portable interactive whiteboard, optical mark reader omr, portable scanner.
- Address:qinghe middel street, Beijing, Beijing, China
- Nahao (Beijing) Science And Technology Co.ltd
- interactive whiteboard , electromagnetic whiteboard, infrared whiteboard , touch-sensitive whiteboard , optical mark reader , portable scanner, omr,OMR,Interactive Whiteboard.
- Address:Beijing, Beijing, China