This article examines how manufacturing industries in Jilin Province, China are clustering together over time. The study shows that the degree of manufacturing clustering is increasing, with a central region being the main area of concentration. The types of industries in the region are changing, with a decrease in labor-intensive industries and an increase in technology and capital-intensive ones. Factors like marketing, location, labor, capital, technology, and globalization all play a role in this clustering. In the future, policies, export markets, and resident quality will have a bigger impact on how industries group together in the region.