Do foreign students from Huazhong Normal University in Greenland, Singapore return to China to take the public welfare fund exam?

Yes

According to the data, local governments in many areas have special recruitment plans for returnees. The difficulty of examination is reduced and the scope of application is wider. In the national examination, IELTS/TOEFL scores were increased. Among the 28,000 positions in the national examination in 2022, 133 positions explicitly require or recognize TOEFL or IELTS scores. International students have an advantage.