With more and more important role of knowledge, people knowledge more and more attention, trying to learn more knowledge is highly valued thing for everyone. And in learning knowledge, the impact on people's teacher is the greatest. Teachers can help people better learning more and better knowledge, and teachers in the teaching of life, in addition to books, there is a very important item is that what is it? It is a tool that teachers are the most commonly used in lectures that chalk, it is a tool teachers can not do without, and with it, the teachers before they can transfer knowledge to people.

And it has also experienced a development for a long time, but also has changed dramatically in all aspects, both in the raw material, or in production technology have made a big difference, especially with the advancement of technology, with chalk teachers to the new era. Chalk that a new era is what like? Chalk new era has a lot of features, and which has a very prominent feature is that it has the characteristics of clean, especially now that the dust teaching chalk, chalk compared to the previous chalk this has very much advantages, for example, it does not have any dust, which for every teacher who is very good, because the more dust for teacher health threat is greater, so there is no chalk dust is one of the teacher's health good security, but also the development of this new era of chalk trend.