From our memory of the school, to the high-tech teaching now. In fact, the most let us unforgettable or that memory the teacher tireless in teaching, the blackboard and chalk, that is memory of several generations, but now the people entered the era of science and technology, computer teaching replaced the chalk. But there are still a lot of places in use. So the company is holding the idea of chalk, there will always be a kind of feeling is not chalk teaching are less profound. Or you will forget it, it's all the same for both teachers and students, teachers and students in education are the same, are to make progress together. Always have a feeling that is if the teacher can use chalk to write personally will be very close to the hearts of students. To use modern computer teaching feeling is totally ?

But also not to close the student alone regardless of the student body. Why do you say so. That's because we all have a default is a piece of chalk will produce a lot of dust, the dust is especially bad for your health. The material of chalk are lime powder, at the time of writing the lime will be flying in the air, it will be of great harm to children's respiratory tract. Especially the students sit in the first row, that every day is not just to eat dust, also have harm to eyesight. But only from a Environmental friendly teaching a piece of chalk, then don't worry. The chalk is market powerhouse, is of great potential for development.