366 supermarket is not only available in Langfang. According to relevant public information, 366 Supermarket is a chain supermarket brand, located in Langfang City, Hebei Province. Although its headquarters is in Langfang, the brand has opened many stores in other cities, including Beijing, Shijiazhuang, Baoding and Tangshan. So 366 Supermarket has stores not only in Langfang, but also in other cities.