Beijing south road. Guangzhou chalk punching class is an offline class established by chalk net. Located in the south of Beijing Road, Huangpu District, Guangdong Province, near the subway, it is convenient to go back and forth. Chalk net is an internet education platform, focusing on vocational education examination services. Its main business is civil service examination, public institution recruitment examination, and many online education products such as teacher recruitment examination, postgraduate entrance examination, accounting, legal examination, architecture, open classes, CET-4 and CET-6.