Where is Ezhou in the drug war?

In Ezhou City, Hubei Province. According to relevant data, the film "Drug War" directed by Du Qifeng and written by Wei Jiahui is based on the drug-making case in Yang Ye, Ezhou. Although the director artistically handled some of the plots, he tried his best to preserve the authenticity of the case. For example, two disabled drug dealers in the film are directly related to the parties involved in the drug-making case in Yangye Town.