Wang Nuo. Xi 'an Pinnuo Catering is a catering and snack training school established 1 1 years ago, specializing in Xi 'an snack training, Shaanxi snack training, Tongguan Chinese hamburger training, Shaanxi cold noodle training, pasta training, etc. According to the official introduction of An Pi Nuo, the real name of the teacher Wang is from Sichuan.