Every year from June 20th to July 10. According to the announcement of Chengwu Education Bureau, the registration of Chengwu Xiaoshengchu needs to meet the registration conditions of Xiaoshengchu, and it will be registered from June 20th to July 10 every year. Chengwu is a county under the jurisdiction of Heze City, Shandong Province, People's Republic of China (PRC), which is located in the southwest of Shandong Province and the southeast of Heze City.