qinghe middel street, Beijing, Beijing, China,
Established in 1995, NANHAO Group is a key national high-tech enterprise specializing the independent R & D, manufacture, sales and services of education information products China. has nearly 360 employees , factory covers an area 23, 020 square meters, ...
infrared touch interactive whiteboard, touch sensitive whiteboard, electromagnetic interactive whiteboard, portable interactive whiteboard, optical mark reader omr, portable scanner
