Under the pattern of"double circulation",the distribution of enterprises is characterized by blockiness,and the role of clusters is prominent.Based on the analysis of the current development strategy of Yong’an Pharmaceutical,this paper explores and analyzes t...MORE Under the pattern of"double circulation",the distribution of enterprises is characterized by blockiness,and the role of clusters is prominent.Based on the analysis of the current development strategy of Yong’an Pharmaceutical,this paper explores and analyzes the existing problems...