September 24th. Nanjing Pastry Teacher Qualification Certificate is a professional certificate issued by Nanjing People's Insurance Bureau, which is divided into three levels: primary, intermediate and advanced. According to the introduction of the local government in Nanjing, the Nanjing pastry teacher qualification examination was held in June 2022, and its qualification certificate was issued on September 24, 2022. Please visit the local official website for details.