According to Shanghai Health and Healthy Development Research Network, master's degree or above is required. Grade six is qualified. Plus there are many interviewers, it's difficult.
Shanghai, referred to as Shanghai or Shen for short, is a provincial administrative region, a municipality directly under the Central Government, a national central city, a megacity and a core city of Shanghai metropolitan area in People's Republic of China (PRC). It is also an international economic, financial, trade, shipping and scientific and technological innovation center of China approved by the State Council.