Chalk for inspection and compilation. As a well-known brand in the market, the online course of Chalk Teacher has guaranteed quality, and the teaching mode is famous for its high efficiency and system, which can help candidates quickly sort out the knowledge points and grasp the key points of the exam. The teaching method of chalk teacher's online course is also flexible, which can be customized according to the actual needs of candidates, so that candidates can get the most effective counseling. Chalk net is an Internet education platform under Beijing Chalk Blue Sky Technology Co., Ltd., which focuses on vocational education examination services. Chalk net's business includes civil service examination, postgraduate entrance examination, teacher qualification certificate, institution and other skills training. It uses technical means to realize the intelligent marking function, and provides a free question bank for users to consult and learn, gives lectures online through live webcasting, and provides physical books, papers and customer service at the same time.