Someone learned it in Nanning Huangqi. According to relevant public information, Huangqi is affiliated to Dongguan Qiangqiang Huangqi Catering Management Service Co., Ltd. and is a snack training brand under it. It was established in 2012. As of December 14, 2022, Nanning Huangqi Snack Training School has been established for 10 years In 2016, training institutions have been opened in Guangdong, Shanghai, Zhejiang, Jiangsu, Guangxi, Fujian, Guizhou and other places.