papan gambar interaktif

Assemble Interactive Writing Board and Ink Erasable Marker Board for Teaching / Training Brief Introduction The interactive writing board is a multi-functional board, it can be used as interactive whiteboard and marker board at the same time. And the marker board can write by a special ink pen. It can realize the dust-free teaching. The teachers and students don't need to bear the dust of chalk any more. The board and the ink own China's national invention patent. The board