Chalk is a very common product, its function is very powerful, but it is not only powerful, it also has other features, it is very much of its kind, with a variety of different types, And these different types of chalk, you can make it play better function, so that more industries can use it, for these industries are able to bring some help, that in the end, which has several chalk it ? Speaking of its kind, most people can think of is common in school teaching chalk dust, it is only a now the most common species.

In fact, the type now there is a lot of chalk, they all have some differences in all aspects, but these differences are in accordance with certain criteria to distinguish between, and from these different standards, it has a lot of type, that it in the end, which has several of it? First, from its zoning, it can be divided into many, such craft chalk, chalk, etc. Another example of teaching, they are used in different places; and from its shape up points, it can be divided into Another type, such as cylindrical, hexagonal, etc. Another example, different shapes are also useful it is different; and it can be performed in accordance with the extent of the process, the work area is classified, for example, ordinary chalk, chalk, etc. Another example refined, these constitute its kind.