Does Guo Ke Zheng Xin often work overtime?

Often. According to the information on the website, employees of Guo Ke Zheng Xin Company report that they often work overtime every day and weekend, and the workload is heavy. Guo Ke Zheng Xin Technology (Beijing) Co., Ltd. was established in May 2006-15. Its legal representative is Jing Li, and its registered place is Room A 13, Changlin, Xisanqi, Haidian District, Beijing.