Liu Songlin Zhou Rong Ron. According to official website's inquiry, Cheng Ju Company, a China enterprise Cheng Ju Education Holding Group, was established on May 22, 2006, and its founders were Liu Songlin, Zhou Rong and Ron. Among them, while studying in Chen Anzhi, Liu Songlin realized that the training industry is a profitable industry and decided to invest in it. Her first pair of partners are cousins Zhou Rong and Ron, who work in An Zhi. Zhou Rong proposed a learning card model, which allows customers to purchase prepaid cards for low-cost learning.