Not Changzhou, referred to as "Chang" for short, but also Longcheng, a prefecture-level city under the jurisdiction of Jiangsu Province, a city in the central area of the Yangtze River Delta, and an I-type big city. Inquiring about the enterprise information of the Municipal Administration for Industry and Commerce shows that there is no wholesale enterprise for baking cold noodles in this area. The Administration for Industry and Commerce refers to the Administration for Industry and Commerce, which is the government department in charge of market supervision and administrative law enforcement.